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 Michael Goetz Volunteer moderator
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This is a new thread to announce primes as they get discovered starting in October 2015. For a comprehensive list of PrimeGrid's GFN primes, click on "PrimeGrid Primes By Project" in the menu on the left.
The first new discovery is 3042376^32768+1 by SlangNRox on October 23rd, 2015 13:27:57 UTC, using the OCL3 app. This prime was found during a double check of earlier searches. It's currently too small to be reported to T5K. The double check was by Charles Jackson on October 25th, 2015 11:14:52 UTC, using the CPU app.
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Michael GoetzVolunteer moderator
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I'm pleased to report that we've also found a missing prime in the n=16 (65536) search!
On 27 Oct 2015 12:15:01 UTC the 411,887 digit prime 1927034^65536+1 was discovered by brinktastee using the CPU app. This prime was found during a double check of earlier PRPnet work.
The double checker of this task was Wingless Wonder on 27 Oct 2015 13:19:07 UTC, using the OCL3 app.
Congratulations!
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Michael GoetzVolunteer moderator
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We also have a newly discovered n=17 (131072 low) prime!
On 26 Oct 2015 10:39:43 UTC the 811,772 digit prime 1560730^131072+1 was discovered by Scott Brown using the OCL3 app.
The double checker of this task was STE\/E on 26 Oct 2015 17:31:08 UTC, using the OCL3 app.
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Michael GoetzVolunteer moderator
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And another missing prime in the n=16 (65536) search!
On 28 Oct 2015 18:59:56 UTC the 412,462 digit prime 1966374^65536+1 was discovered by Scott Brown using the OCL3 app. This prime was found during a double check of earlier PRPnet work.
The double checker of this task was Pollux on 26 Oct 2015 17:31:08 UTC, using the OCL3 app.
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Yves GallotVolunteer developer
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Genefer statistics http://www.primegrid.com/stats_genefer.php are not correct: a single n=16 is reported.
They are not generated automatically... ?
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Michael GoetzVolunteer moderator
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Genefer statistics http://www.primegrid.com/stats_genefer.php are not correct: a single n=16 is reported.
They are not generated automatically... ?
It won't show the latest prime until the wingman returns the result. That part is automatic. Posting on the forums isn't. :)
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We've now found a third missing prime in the n=16 (65536) search!
On 30 Oct 2015 14:28:32 UTC the 413,218 digit prime 2019300^65536+1 was discovered by Pooh Bear 27 using the OCL3 app. This prime was found during a double check of earlier PRPnet work.
The double checker of this task was Ralimore on 30 Oct 2015 19:38:00 UTC using the OCL3 app.
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Michael GoetzVolunteer moderator
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We've now found five missing primes. This is the second found in the n=15 (32768) search!
On 30 Oct 2015 19:22:47 UTC the 218,627 digit prime 4698564^32768+1 was discovered by AT Hiker using the OCL3 app. This prime was found during a double check of earlier PRPnet work.
The double checker of this task was Tim B on 30 Oct 2015 20:58:14 UTC using the OCL3 app.
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Michael GoetzVolunteer moderator
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It's deja vu all over again!
We've now found a fourth missing prime in the n=16 (65536) search -- with the same prime finder and the same wingman as the the third prime
On 31 Oct 2015 9:09:31 UTC the 413,535 digit prime 2041898^65536+1 was discovered by Pooh Bear 27 using the OCL3 app. This prime was found during a double check of earlier PRPnet work.
The double checker of this task was Ralimore on 31 Oct 2015 12:31:34 UTC using the OCL3 app.
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RafaelVolunteer tester
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It's deja vu all over again!
We've now found a fourth missing prime in the n=16 (65536) search -- with the same prime finder and the same wingman as the the third prime
On 31 Oct 2015 9:09:31 UTC the 413,535 digit prime 2019300^65536+1 was discovered by Pooh Bear 27 using the OCL3 app. This prime was found during a double check of earlier PRPnet work.
The double checker of this task was Ralimore on 31 Oct 2015 12:31:34 UTC using the OCL3 app.
Congratulations!
Okay, fine. Things to take out of this:
1- Good job PRPNet, you did great.......
2- Get your GPUs on n=15 / 16 while it's still in double check phase, primes are just sprouting all over the place. It is your chance to be famous! |
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It's deja vu all over again!
Looking at the 65536 list in T5K, I see the following:
2150 2162068^65536 + 1 415162 g260 Jul 2008
2185 2041898^65536 + 1 413535 L4204 Oct 2015
2189 2019300^65536 + 1 413218 L4204 Oct 2015
2202 1966374^65536 + 1 412462 L4201 Oct 2015
2215 1927034^65536 + 1 411887 L4200 Oct 2015
2235 1874512^65536 + 1 411101 g413 Jun 2008
All the primes have come in the gap between 1874512 and 2162068, suggesting that perhaps this range was missed? At any rate, my SWAG is that there will be another 3-5 primes to be found before 2162068.
Interestingly, there is another large gap between:
2255 1828502^65536 + 1 410393 GF2 Mar 2005
2470 1540550^65536 + 1 405516 GF2 May 2003
While doublechecking this section, was OCL or OCL3 in play? I am asking because, it might be worthwhile to check this section using the error-free OCL3 rather than OCL. |
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We've now found a fifth missing prime in the n=16 (65536) search.
On 31 Oct 2015 19:25:45 UTC the 413,735 digit prime 2056292^65536+1 was discovered by Suzaku Medli using the OCL3 app. This prime was found during a double check of earlier PRPnet work.
The double checker of this task was Pooh Bear 27 on 31 Oct 2015 19:28:22 UTC using the OCL3 app.
Congratulations! |
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Michael GoetzVolunteer moderator
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Interestingly, there is another large gap between:
2255 1828502^65536 + 1 410393 GF2 Mar 2005
2470 1540550^65536 + 1 405516 GF2 May 2003
While doublechecking this section, was OCL or OCL3 in play? I am asking because, it might be worthwhile to check this section using the error-free OCL3 rather than OCL.
There's 84 candidates in that range that have not yet completed (out of about 42 thousand). So there might still be some primes in there.
I made the switch from OCL to OCL3 somewhere in that range, so the top of that area was certainly done with OCL3.
EDIT: I just checked, and the switch to OCL3 was made before the bottom of that gap. Every number crunched on a GPU that wasn't using app_info was checked with OCL3. There were certainly many tests done with the CPU app, however.
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Michael GoetzVolunteer moderator
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We've now found three missing primes on n=15 (32768), and eight missing primes altogether.
On 4 Nov 2015 23:43:29 UTC the 222,205 digit prime 6041274^32768+1 was discovered by Menipe using the CPU app. This prime was found during a double check of earlier PRPnet work.
The double checker of this task was Dirk Broer on 10 Nov 2015 | 13:31:56 UTC using the OCL3 app.
Congratulations!
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Michael GoetzVolunteer moderator
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And another one...
We've now found four missing primes on n=15 (32768), and nine missing primes altogether.
On 5 Nov 2015 3:19:50 UTC the 222,268 digit prime 6068406^32768+1 was discovered by tng* using the OCL3 app. This prime was found during a double check of earlier PRPnet work.
The double checker of this task was hwt on 7 Nov 2015 1:04:35 UTC using the OCL3 app.
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Michael GoetzVolunteer moderator
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And yet another one...
We've now found five missing primes on n=15 (32768), and ten missing primes altogether.
On 6 Nov 2015 2:05:50 UTC the 222,573 digit prime 6199694^32768+1 was discovered by Lumiukko using the OCL3 app. This prime was found during a double check of earlier PRPnet work.
The double checker of this task was Rick Reynolds on 6 Nov 2015 | 4:43:53 UTC using the OCL3 app.
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Michael GoetzVolunteer moderator
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We've now found six missing primes on n=15 (32768), and eleven missing primes altogether.
On 6 Nov 2015 13:22:55 UTC the 222,746 digit prime 6275442^32768+1 was discovered by Scott Brown using the OCL3 app. This prime was found during a double check of earlier PRPnet work.
The double checker of this task was tng* on 6 Nov 2015 13:24:36 UTC using the OCL3 app.
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Michael GoetzVolunteer moderator
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We've now found seven missing primes on n=15 (32768), and twelve missing primes altogether.
On 6 Nov 2015 18:03:11 UTC the 222,842 digit prime 6318186^32768+1 was discovered by tng* using the OCL3 app. This prime was found during a double check of earlier PRPnet work.
The double checker of this task was pabliedung on 6 Nov 2015 18:43:13 UTC using the OCL3 app.
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Michael GoetzVolunteer moderator
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We've now found eight missing primes on n=15 (32768), and thirteen missing primes altogether.
On 7 Nov 2015 5:09:05 UTC the 223,053 digit prime 6412528^32768+1 was discovered by Noppy using the CPU app. This prime was found during a double check of earlier PRPnet work.
The double checker of this task was pabliedung on 7 Nov 2015 5:20:26 UTC using the OCL3 app.
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Michael GoetzVolunteer moderator
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We have a second n=17 (131072 low) prime!
On 5 Nov 2015 7:00:43 UTC the 815,311 digit prime 1660830^131072+1 was discovered by Sahib using the OCL3 app.
The double checker of this task was John55 on 5 Nov 2015 8:40:48 UTC, using the OCL3 app.
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Michael GoetzVolunteer moderator
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We have found our first n=17 mega-prime!!!
On 9 Nov 2015 18:02:51 UTC the 1,000,075 digit prime 42654182^131072+1 was discovered by Nortech using the OCL2 app.
The double checker of this task was pschoefer on 9 Nov 2015 20:33:04 UTC, using the OCL2 app.
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Michael GoetzVolunteer moderator
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We have another n=17 (131072 low) prime!
On 10 Nov 2015 16:51:34 UTC the 817,377 digit prime 1722230^131072+1 was discovered by Honza using the OCL3 app.
The double checker of this task was Michael Becker on 10 Nov 2015 23:14:35 UTC, using the OCL3 app.
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Michael GoetzVolunteer moderator
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We've found another missing prime in the n=16 (65536) search!
On 13 Nov 2015 2:32:25 UTC the 421,265 digit prime 2679102^65536+1 was discovered by Scott Brown using the OCL3 app. This prime was found during a double check of earlier PRPnet work.
The double checker of this task was shintaku nobuhiro on 13 Nov 2015 15:01:00 UTC, using the CPU app.
Congratulations!
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Michael GoetzVolunteer moderator
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And we've found yet another missing prime in the n=16 (65536) search!
On 13 Nov 2015 8:29:12 UTC the 421,372 digit prime 2689202^65536+1 was discovered by Janita using the CPU app. This prime was found during a double check of earlier PRPnet work.
The double checker of this task was Wikiliciouz on 13 Nov 2015 9:09:04 UTC, using the OCL3 app.
Congratulations!
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Michael GoetzVolunteer moderator
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We've found another missing prime in the n=16 (65536) search!
On 16 Nov 2015 0:15:16 UTC the 423,617 digit prime 2909834^65536+1 was discovered by Scott Brown using the OCL3 app. This prime was found during a double check of earlier PRPnet work.
The double checker of this task was [SG-FC] hl on 16 Nov 2015 | 4:08:01 UTC, using the OCL3 app.
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Michael GoetzVolunteer moderator
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I can now release the details of another n=17 (131072 low) prime!
On 10 Nov 2015 5:53:12 UTC the 817,210 digit prime 1717162^131072+1 was discovered by zzuupp using the OCL3 app.
The double checker of this task was DeleteNull on 10 Nov 2015 14:43:16 UTC, using the OCL3 app.
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Michael GoetzVolunteer moderator
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We have found another n=17 (131072 low) prime!
On 17 Nov 2015 | 0:31:54 UTC the 818,812 digit prime 1766192^131072+1 was discovered by XSmeagolX using the OCL3 app.
The double checker of this task was Michael Becker on 17 Nov 2015 | 1:36:40 UTC, using the OCL3 app.
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Michael GoetzVolunteer moderator
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Having finished the double check of PRNet, the n=15 (32768) search has moved on to unsearched territory. It didn't take long to find the first prime!
On 18 Nov 2015 22:07:00 UTC the 230,001 digit prime 10448246^32768+1 was discovered by XSmeagolX using the OCL3 app.
The double checker of this task was Robert Hoffman on 19 Nov 2015 3:18:29 UTC, using the OCL3 app.
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Michael GoetzVolunteer moderator
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We have found another n=15 (32768) prime!
On 19 Nov 2015 18:12:27 UTC the 230,325 digit prime 10689024^32768+1 was discovered by 288larsson using the OCL3 app.
The double checker of this task was tng* on 19 Nov 2015 18:32:08 UTC, using the OCL3 app.
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Michael GoetzVolunteer moderator
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We have found another n=15 (32768) prime!
On 19 Nov 2015 22:29:49 UTC the 230,396 digit prime 10742748^32768+1 was discovered by Scott Brown using the OCL3 app.
The double checker of this task was Rick Reynolds on 19 Nov 2015 | 22:54:09 UTC, using the OCL3 app.
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Michael GoetzVolunteer moderator
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We have found another n=15 (32768) prime!
On 19 Nov 2015 23:37:44 UTC the 230,417 digit prime 10758842^32768+1 was discovered by tng* using the OCL3 app.
The double checker of this task was Scott Brown on 19 Nov 2015 23:41:48 UTC, using the OCL3 app.
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Michael GoetzVolunteer moderator
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We have found another n=15 (32768) prime!
On 20 Nov 2015 23:30:08 UTC the 230,573 digit prime 10877222^32768+1 was discovered by ENLAB using the OCL3 app.
The double checker of this task was Keith Morrison on 24 Nov 2015 4:25:19 UTC, using the CPU app.
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Michael GoetzVolunteer moderator
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We have found another n=15 (32768) prime!
On 22 Nov 2015 19:25:50 UTC the 231,277 digit prime 11428394^32768+1 was discovered by Scott Brown using the OCL3 app.
The double checker of this task was RGB on 22 Nov 2015 23:15:23 UTC, using the OCL3 app.
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Michael GoetzVolunteer moderator
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We have found another n=15 (32768) prime!
On 23 Nov 2015 13:02:53 UTC the 231489 digit prime 11600204^32768+1 was discovered by tng* using the OCL3 app.
The double checker of this task was Andy Pants on 23 Nov 2015 22:23:46 UTC, using the CPU app.
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Michael GoetzVolunteer moderator
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We have found another n=15 (32768) prime!
On 23 Nov 2015 15:14:55 UTC UTC the 231,517 digit prime 11623354^32768+1 was discovered by Scott Brown using the OCL3 app.
The double checker of this task was J.Rudolph on 23 Nov 2015 15:50:21 UTC, using the OCL3 app.
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Michael GoetzVolunteer moderator
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We have found another n=15 (32768) prime!
On 23 Nov 2015 22:07:34 UTC the 231,597 digit prime 11688764^32768+1 was discovered by Scott Brown using the OCL3 app.
The double checker of this task was Ralimore on 24 Nov 2015 0:22:53 UTC, using the OCL3 app.
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Michael GoetzVolunteer moderator
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We have found two more n=15 (32768) primes!
First prime:
On 24 Nov 2015 2:46:02 UTC the 231,661 digit prime 11741086^32768+1 was discovered by Scott Brown using the OCL3 app.
The double checker of this task was [DPC]Charley on 24 Nov 2015 2:53:32 UTC, using the OCL3 app.
Second prime:
On 24 Nov 2015 4:06:26 UTC the 231,679 digit prime 11756060^32768+1 was discovered by Scott Brown using the OCL3 app.
The double checker of this task was MAGPIE on 24 Nov 2015 6:00:32 UTC, using the OCL3 app.
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Michael GoetzVolunteer moderator
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We have found another n=15 (32768) prime!
On 25 Nov 2015 0:07:20 UTC the 231,932 digit prime 11967372^32768+1 was discovered by tng* using the OCL3 app.
The double checker of this task was Scott Brown on 25 Nov 2015 0:09:49 UTC, using the OCL3 app.
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Michael GoetzVolunteer moderator
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We have found two more n=15 (32768) primes!
First prime:
On 25 Nov 2015 4:08:34 UTC the 231,980 digit prime 12007538^32768+1 was discovered by Scott Brown using the OCL3 app.
The double checker of this task was tng* on 25 Nov 2015 4:09:14 UTC, using the OCL3 app.
Second prime:
On 25 Nov 2015 4:48:16 UTC the 231,988 digit prime 12013942^32768+1 was discovered by Scott Brown using the OCL3 app.
The double checker of this task was Dirk on 25 Nov 2015 5:01:26 UTC, using the CPU app.
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Michael GoetzVolunteer moderator
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We have found another n=15 (32768) prime!
On 25 Nov 2015 22:24:30 UTC the 232,180 digit prime 12177788^32768+1 was discovered by Hans-Jürgen Bergelt using the OCL3 app.
The double checker of this task was Ralimore on 25 Nov 2015 22:35:51 UTC, using the OCL3 app.
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Michael GoetzVolunteer moderator
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We have found three more n=15 (32768) primes!
First prime:
On 27 Nov 2015 3:22:23 UTC the 232,552 digit prime 12500316^32768+1 was discovered by tng* using the OCL3 app.
The double checker of this task was AT Hiker on 27 Nov 2015 5:22:36 UTC, using the OCL3 app.
Second prime:
On 27 Nov 2015 5:38:01 UTC the 232,581 digit prime 12525142^32768+1 was discovered by Honza using the OCL3 app.
The double checker of this task was AT Hiker on 29 Nov 2015 1:32:28 UTC, using the OCL3 app.
Third prime:
On 27 Nov 2015 8:48:04 UTC the 232,624 digit prime 12563092^32768+1 was discovered by Scott Brown using the OCL3 app.
The double checker of this task was Robert Hoffman on 27 Nov 2015 8:58:17 UTC, using the OCL3 app.
Congratulations!
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We have found another n=15 (32768) prime!
On 28 Nov 2015 8:58:49 UTC the 232,918 digit prime 12825258^32768+1 was discovered by tng* using the OCL3 app.
The double checker of this task was Scott Brown on 28 Nov 2015 9:01:06 UTC, using the OCL3 app.
Congratulations!
____________
My lucky number is 75898524288+1 |
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Michael GoetzVolunteer moderator
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We have found another n=15 (32768) prime!
On 28 Nov 2015 20:59:04 UTC the 233,058 digit prime 12952476^32768+1 was discovered by Grebuloner using the OCL3 app.
The double checker of this task was AT Hiker on 28 Nov 2015 23:18:45 UTC, using the OCL3 app.
Congratulations!
____________
My lucky number is 75898524288+1 |
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Michael GoetzVolunteer moderator
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We have another n=15 (32768) prime!
On 29 Nov 2015 2:53:14 UTC the 233,115 digit prime 13004344^32768+1 was discovered by Honza using the OCL3 app.
The double checker of this task was BobMALCS on 29 Nov 2015 4:38:56 UTC, using the OCL3 app.
Congratulations!
____________
My lucky number is 75898524288+1 |
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Michael GoetzVolunteer moderator
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We have found another n=15 (32768) prime!
On 29 Nov 2015 8:40:33 UTC the 233,179 digit prime 13062632^32768+1 was discovered by Grebuloner using the OCL3 app.
The double checker of this task was Ralimore on 29 Nov 2015 10:48:24 UTC, using the OCL3 app.
Congratulations!
____________
My lucky number is 75898524288+1 |
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Michael GoetzVolunteer moderator
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We have found another n=15 (32768) prime!
On 30 Nov 2015 1:03:39 UTC the 233,367 digit prime 13236710^32768+1 was discovered by Michael Goetz using the OCL3 app.
The double checker of this task was Scott Brown on 30 Nov 2015 1:18:05 UTC, using the OCL3 app.
Congratulations!
____________
My lucky number is 75898524288+1 |
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Michael GoetzVolunteer moderator
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We have found another n=15 (32768) prime!
On 30 Nov 2015 3:50:05 UTC the 233,401 digit prime 13268134^32768+1 was discovered by Scott Brown using the OCL3 app.
The double checker of this task was tng* on 30 Nov 2015 3:52:19 UTC, using the OCL3 app.
Congratulations!
____________
My lucky number is 75898524288+1 |
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Michael GoetzVolunteer moderator
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We have found another n=15 (32768) prime!
On 30 Nov 2015 18:13:29 UTC the 233,564 digit prime 13421628^32768+1 was discovered by Scott Brown using the OCL3 app.
The double checker of this task was Dirk on 30 Nov 2015 18:49:02 UTC, using the CPU app.
Congratulations!
____________
My lucky number is 75898524288+1 |
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Michael GoetzVolunteer moderator
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We have found another n=15 (32768) prime!
On 1 Dec 2015 3:07:52 UTC the 233,665 digit prime 13516486^32768+1 was discovered by brinktastee using the OCL3 app.
The double checker of this task was Ralimore on 1 Dec 2015 5:25:56 UTC, using the OCL3 app.
Congratulations!
____________
My lucky number is 75898524288+1 |
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If those last 20+ posts had been e-mail messages, they would now be going to the spam folder, and Michael Goetz would have been banned.
We really find many "little" n=15 primes.
I long for GF n≥18 primes.
/JeppeSN
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Michael GoetzVolunteer moderator
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We really find many "little" n=15 primes.
Indeed, now that we're no longer double checking old work, and checking about twenty thousand candidates each day, we are certainly finding primes very quickly.
____________
My lucky number is 75898524288+1 |
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Michael GoetzVolunteer moderator
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We have found four more n=15 (32768) primes!
First prime:
On 1 Dec 2015 4:31:11 UTC the 233,671 digit prime 13522632^32768+1 was discovered by Scott Brown using the CPU app.
The double checker of this task was AT Hiker on 1 Dec 2015 6:14:12 UTC, using the OCL3 app.
Second prime:
On 1 Dec 2015 4:48:31 UTC the 233,685 digit prime 13535820^32768+1 was discovered by tng* using the OCL3 app.
The double checker of this task was Scott Brown on 1 Dec 2015 5:52:02 UTC, using the CPU app.
Third prime:
On 1 Dec 2015 6:25:32 UTC the 233,704 digit prime 13553636^32768+1 was discovered by Scott Brown using the OCL3 app.
The double checker of this task was Ralimore on 1 Dec 2015 10:09:33 UTC, using the OCL3 app.
Fourth prime:
On 1 Dec 2015 6:54:20 UTC the 233,675 digit prime 13526546^32768+1 was discovered by AT Hiker using the OCL3 app.
The double checker of this task was waka on 3 Dec 2015 18:46:13 UTC, using the CPU app.
Congratulations!
____________
My lucky number is 75898524288+1 |
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Michael GoetzVolunteer moderator
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We have found another n=15 (32768) prime!
On 1 Dec 2015 13:47:20 UTC the 233,804 digit prime 13649540^32768+1 was discovered by Nortech using the OCL3 app.
The double checker of this task was Scott Brown on 1 Dec 2015 20:10:34 UTC, using the OCL3 app.
Congratulations!
____________
My lucky number is 75898524288+1 |
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Michael GoetzVolunteer moderator
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We have found another n=15 (32768) prime!
On 1 Dec 2015 16:57:46 UTC the 233,842 digit prime 13685572^32768+1 was discovered by tng* using the OCL3 app.
The double checker of this task was Scott Brown on 1 Dec 2015 16:58:58 UTC, using the OCL3 app.
Congratulations!
____________
My lucky number is 75898524288+1 |
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We really find many "little" n=15 primes.
Indeed, now that we're no longer double checking old work, and checking about twenty thousand candidates each day, we are certainly finding primes very quickly.
And if I remember correctly that was stated on the front end when Mike asked if we would like to run this project. I think it's great that we are finding them even if they are smallish.
Cheers
____________
@AggieThePew
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Michael GoetzVolunteer moderator
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We have found another n=15 (32768) prime!
On 2 Dec 2015 2:02:49 UTC the 233,942 digit prime 13782404^32768+1 was discovered by Scott Brown using the CPU app.
The double checker of this task was Ralimore on 2 Dec 2015 5:22:50 UTC using the OCL3 app.
Congratulations!
____________
My lucky number is 75898524288+1 |
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Michael GoetzVolunteer moderator
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We have found two more n=15 (32768) primes!
First prime:
On 2 Dec 2015 18:09:25 UTC the 234,149 digit prime 13984036^32768+1 was discovered by Honza using the OCL3 app.
The double checker of this task was Ralimore on 2 Dec 2015 21:43:32 UTC, using the OCL3 app.
Second prime:
On 2 Dec 2015 21:04:08 UTC the 234,189 digit prime 14023640^32768+1 was discovered by Jeff17 using the OCL3 app.
The double checker of this task was stiven on 3 Dec 2015 8:59:06 UTC, using the OCL3 app.
Congratulations!
____________
My lucky number is 75898524288+1 |
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Michael GoetzVolunteer moderator
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We have found another n=15 (32768) prime!
On 3 Dec 2015 2:18:25 UTC the 234,256 digit prime 14090140^32768+1 was discovered by NeoMetal* using the OCL3 app.
The double checker of this task was AT Hiker on 3 Dec 2015 4:59:39 UTC, using the OCL3 app.
Congratulations
____________
My lucky number is 75898524288+1 |
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Michael GoetzVolunteer moderator
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We have found another n=15 (32768) prime!
On 3 Dec 2015 11:36:25 UTC the 234,379 digit prime 14212786^32768+1 was discovered by tng* using the OCL3 app.
The double checker of this task was Dirk on 3 Dec 2015 11:54:42 UTC, using the CPU app.
Congratulations!
____________
My lucky number is 75898524288+1 |
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Michael GoetzVolunteer moderator
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We have found another n=15 (32768) prime!
On 4 Dec 2015 8:05:27 UTC the 234,632 digit prime 14466952^32768+1 was discovered by Scott Brown using the OCL3 app.
The double checker of this task was eXaPower on 4 Dec 2015 8:54:40 UTC using the CPU app.
Congratulations!
____________
My lucky number is 75898524288+1 |
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Michael GoetzVolunteer moderator
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We've found another n=15 (32768) prime!
On 4 Dec 2015 23:12:06, the 234,823 digit prime 14662858^32768+1 was found by Scott Brown using the OCL3 app.
The double checker of this task was pschoefer on 4 Dec 2015 23:50:34 using the CPU app.
Congratulations!
____________
My lucky number is 75898524288+1 |
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Michael GoetzVolunteer moderator
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We've found another n=15 (32768) prime!
On 5 Dec 2015 10:46:18, the 234,961 digit prime 14805912^32768+1 was found by tng* using the OCL3 app.
The double checker of this task was Scott Brown on 5 Dec 2015 10:47:32 using the OCL3 app.
Congratulations!
____________
My lucky number is 75898524288+1 |
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Michael GoetzVolunteer moderator
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We've found another n=15 (32768) prime!
On 5 Dec 2015 20:17:29, the 235,084 digit prime 14933582^32768+1 was found by Scott Brown using the OCL3 app.
The double checker of this task was Honza on 5 Dec 2015 20:55:41 using the OCL3 app.
Congratulations!
____________
My lucky number is 75898524288+1 |
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Michael GoetzVolunteer moderator
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We've found another n=15 (32768) prime!
On 5 Dec 2015 22:00:33, the 235,102 digit prime 14953270^32768+1 was found by Scott Brown using the OCL3 app.
The double checker of this task was Rick Reynolds on 5 Dec 2015 22:07:36 using the OCL3 app.
Congratulations!
____________
My lucky number is 75898524288+1 |
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Michael GoetzVolunteer moderator
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We've found another n=15 (32768) prime!
On 6 Dec 2015 1:32:19, the 235,143 digit prime 14996602^32768+1 was found by Scott Brown using the OCL3 app.
The double checker of this task was tng* on 6 Dec 2015 1:35:47 using the OCL3 app.
Congratulations!
____________
My lucky number is 75898524288+1 |
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Michael GoetzVolunteer moderator
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We've found another n=15 (32768) prime!
On 7 Dec 2015 5:50:01, the 235,426 digit prime 15297664^32768+1 was found by Rick Reynolds using the OCL3 app.
The double checker of this task was Honza on 7 Dec 2015 6:06:23 using the OCL3 app.
Congratulations!
____________
My lucky number is 75898524288+1 |
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Michael GoetzVolunteer moderator
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We've found another n=16 (65536) prime! This is the first prime to be found beyond the PRPNet double check range.
On 8 Dec 2015 17:20:08, the 434,604 digit prime 4280722^65536+1 was found by tng* using the OCL3 app.
The double checker of this task was Pooh Bear 27 on 8 Dec 2015 17:27:07 using the OCL3 app.
Congratulations!
____________
My lucky number is 75898524288+1 |
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On 8 Dec 2015 17:20:08, the 434,604 digit prime 4280722^65536+1 was found
Should the entry in the Top 5000 not have the "Official Comment" Generalized Fermat (even if this prime is far from the relevant Top 20)?
Edit: I see the comment is there now.
/JeppeSN |
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JimBHonorary cruncher
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Should the entry in the Top 5000 not have the "Official Comment" Generalized Fermat (even if this prime is far from the relevant Top 20)?
Edit: I see the comment is there now.
/JeppeSN
I've spoken to Chris Caldwell about this - the Generalized Fermat comment is done by his system automatically and I'm not supposed to ever report it that way. |
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tngSend message
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Should the entry in the Top 5000 not have the "Official Comment" Generalized Fermat (even if this prime is far from the relevant Top 20)?
Edit: I see the comment is there now.
/JeppeSN
I've spoken to Chris Caldwell about this - the Generalized Fermat comment is done by his system automatically and I'm not supposed to ever report it that way.
Which seems to work -- the comment is here.
____________
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Should the entry in the Top 5000 not have the "Official Comment" Generalized Fermat (even if this prime is far from the relevant Top 20)?
Edit: I see the comment is there now.
/JeppeSN
I've spoken to Chris Caldwell about this - the Generalized Fermat comment is done by his system automatically and I'm not supposed to ever report it that way.
All is good.
I swear the comment was not there when I first submitted my post, at 22:41 UTC. But when I checked the entry again at around 23:10 UTC, it was there!
The entry currently appears to have been "Last modified" at 16:50 in its local time. Given that the top-5000 server appears to be based in West Tennessee, USA, my understanding is that this means 16:50-06:00 (it cannot be that they observe daylight-saving time in the winter) which is 22:50 UTC (subtract the offset). So I figure the entry was updated (maybe automatically).
So I learned something new: These Official Comments appear only after a little while.
/JeppeSN |
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Michael GoetzVolunteer moderator
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We've found another n=15 (32768) prime!
On 9 Dec 2015 15:25:31, the 235,773 digit prime 15674780^32768+1 was found by ich_eben* using the OCL3 app.
The double checker of this task was Rick Reynolds on 9 Dec 2015 15:29:14 using the OCL3 app.
Congratulations!
____________
My lucky number is 75898524288+1 |
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Michael GoetzVolunteer moderator
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We've found another n=15 (32768) prime!
On 10 Dec 2015 3:50:24, the 235,824 digit prime 15731584^32768+1 was found by Grebuloner using the OCL3 app.
The double checker of this task was pabliedung on 10 Dec 2015 4:01:39 using the OCL3 app.
Congratulations!
____________
My lucky number is 75898524288+1 |
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Michael GoetzVolunteer moderator
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We've found another n=15 (32768) prime!
On 10 Dec 2015 17:00:45, the 235,887 digit prime 15800610^32768+1 was found by pschoefer using the CPU app.
The double checker of this task was AT Hiker on 10 Dec 2015 18:50:21 using the OCL3 app.
Congratulations!
____________
My lucky number is 75898524288+1 |
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Michael GoetzVolunteer moderator
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We've found another n=15 (32768) prime!
On 10 Dec 2015 17:10:59, the 235,890 digit prime 15804124^32768+1 was found by Rick Reynolds using the OCL3 app.
The double checker of this task was Charles Walbeck on 10 Dec 2015 19:01:46 using the OCL3 app.
Congratulations!
____________
My lucky number is 75898524288+1 |
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Michael GoetzVolunteer moderator
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We've found another n=15 (32768) prime!
On 11 Dec 2015 3:25:48, the 235,939 digit prime 15859134^32768+1 was found by Grebuloner using the OCL3 app.
The double checker of this task was David on 11 Dec 2015 6:16:50 using the OCL3 app.
Congratulations!
____________
My lucky number is 75898524288+1 |
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Michael GoetzVolunteer moderator
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We've found another n=17-Low (131072) prime!
On 12 Dec 2015 4:02:00, the 824,610 digit prime 1955556^131072+1 was found by Tabaluga using the OCL3 app.
The double checker of this task was pelpolaris on 13 Dec 2015 11:13:21 using the OCL3 app.
Congratulations!
____________
My lucky number is 75898524288+1 |
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Michael GoetzVolunteer moderator
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We've found another n=16 (65536) prime!
On 12 Dec 2015 12:33:21, the 435,838 digit prime 4470420^65536+1 was found by 288larsson using the OCL3 app.
The double checker of this task was Tarmo Ilves on 12 Dec 2015 14:46:38 using the CPU app.
Congratulations!
____________
My lucky number is 75898524288+1 |
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Michael GoetzVolunteer moderator
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We've found another n=15 (32768) prime!
On 13 Dec 2015 17:04:01, the 236,257 digit prime 16217720^32768+1 was found by AT Hiker using the OCL3 app.
The double checker of this task was rxu00171 on 13 Dec 2015 18:35:44 using the OCL3 app.
Congratulations!
____________
My lucky number is 75898524288+1 |
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Michael GoetzVolunteer moderator
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We've found two new n=15 (32768) primes!
First prime:
On 14 Dec 2015 10:17:00, the 236,336 digit prime 16307584^32768+1 was found by AT Hiker using the OCL3 app.
The double checker of this task was BobMALCS on 20 Dec 2015 0:03:01 using the OCL2 app.
Second prime:
On 14 Dec 2015 13:15:48, the 236,366 digit prime 16341644^32768+1 was found by XSmeagolX using the OCL3 app.
The double checker of this task was rxu00171 on 14 Dec 2015 17:27:11 using the OCL3 app.
Congratulations!
____________
My lucky number is 75898524288+1 |
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Michael GoetzVolunteer moderator
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We've found another n=15 (32768) prime!
On 14 Dec 2015 21:19:45, the 236,409 digit prime 16391094^32768+1 was found by Michael Goetz using the OCL3 app.
The double checker of this task was [SG-FC] warking95 on 15 Dec 2015 7:08:53 using the OCL3 app.
Congratulations!
____________
My lucky number is 75898524288+1 |
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Michael GoetzVolunteer moderator
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We've found another n=16 (65536) prime!
On 15 Dec 2015 11:23:43, the 436,674 digit prime 4603702^65536+1 was found by Eric Nietering using the OCL3 app.
The double checker of this task was Honza on 15 Dec 2015 11:30:08 using the OCL3 app.
Congratulations!
____________
My lucky number is 75898524288+1 |
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Michael GoetzVolunteer moderator
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We've found another n=16 (65536) prime!
On 15 Dec 2015 18:53:26, the 436,749 digit prime 4615890^65536+1 was found by Pooh Bear 27 using the OCL3 app.
The double checker of this task was GDB on 15 Dec 2015 18:58:26 using the OCL3 app.
Congratulations!
____________
My lucky number is 75898524288+1 |
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Michael GoetzVolunteer moderator
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We've found another n=15 (32768) prime!
On 17 Dec 2015 8:37:13, the 236,654 digit prime 16676202^32768+1 was found by AT Hiker using the OCL3 app.
The double checker of this task was kasuyamasato on 17 Dec 2015 18:57:24 using the OCL3 app.
Congratulations!
____________
My lucky number is 75898524288+1 |
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Michael GoetzVolunteer moderator
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We've found another n=15 (32768) prime!
On 17 Dec 2015 13:56:14, the 236,688 digit prime 16715766^32768+1 was found by Grebuloner using the OCL3 app.
The double checker of this task was rutherfordium on 17 Dec 2015 14:00:21 using the OCL3 app.
Congratulations!
____________
My lucky number is 75898524288+1 |
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Michael GoetzVolunteer moderator
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We've found another n=15 (32768) prime!
On 17 Dec 2015 15:31:48, the 236,684 digit prime 16710646^32768+1 was found by AT Hiker using the OCL3 app.
The double checker of this task was RNDr. MF1 on 23 Dec 2015 7:40:16 using the CPU app.
Congratulations!
____________
My lucky number is 75898524288+1 |
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Michael GoetzVolunteer moderator
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We've found another n=15 (32768) prime!
On 21 Dec 2015 8:31:03, the 236,872 digit prime 16933402^32768+1 was found by RNDr. MF1 using the CPU app.
The double checker of this task was [SG-FC] warking95 on 21 Dec 2015 10:20:13 using the CPU app.
Congratulations!
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My lucky number is 75898524288+1 |
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Michael GoetzVolunteer moderator
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We've found another n=15 (32768) prime!
On 22 Dec 2015 6:50:38, the 236,920 digit prime 16990688^32768+1 was found by Ron Shurtz [BlackOps] using the OCL2 app.
The double checker of this task was Egon Olsen on 23 Dec 2015 22:14:33 using the CPU app.
Congratulations!
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My lucky number is 75898524288+1 |
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FYI, the lists at http://www.primegrid.com/gfn_history.php have been updated with the recent finds.
I wonder who will be lucky enough to unwrap a GFN prime on 25th December?
- Iain
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Twitter: IainBethune
Proud member of team "Aggie The Pew". Go Aggie!
3073428256125*2^1290000-1 is Prime! |
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Michael GoetzVolunteer moderator
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We've found another n=16 (65536) prime!
On 24 Dec 2015 0:24:50, the 438,191 digit prime 4855782^65536+1 was found by Scott Brown using the OCL3 app.
The double checker of this task was Wikiliciouz on 24 Dec 2015 0:36:19 using the OCL3 app.
Congratulations!
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My lucky number is 75898524288+1 |
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Michael GoetzVolunteer moderator
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We've found another n=15 (32768) prime!
On 24 Dec 2015 20:14:24, the 237,039 digit prime 17132938^32768+1 was found by Hans-Jürgen Bergelt using the OCL2 app.
The double checker of this task was RNDr. MF1 on 25 Dec 2015 21:11:48 using the CPU app.
Congratulations!
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My lucky number is 75898524288+1 |
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Michael GoetzVolunteer moderator
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We've found another n=16 (65536) prime!
On 25 Dec 2015 1:42:02, the 438,400 digit prime 4891596^65536+1 was found by Scott Brown using the OCL3 app.
The double checker of this task was GDB on 25 Dec 2015 1:54:53 using the OCL3 app.
Congratulations!
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My lucky number is 75898524288+1 |
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Michael GoetzVolunteer moderator
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We've found another n=15 (32768) prime!
On 25 Dec 2015 6:16:23, the 237,066 digit prime 17166276^32768+1 was found by zombie67 [MM] using the CPU app.
The double checker of this task was RNDr. MF1 on 26 Dec 2015 20:58:13 using the CPU app.
Congratulations!
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My lucky number is 75898524288+1 |
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Michael GoetzVolunteer moderator
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We've found another n=15 (32768) prime!
On 26 Dec 2015 0:48:47, the 237,106 digit prime 17213996^32768+1 was found by Dirk using the CPU app.
The double checker of this task was Ron Shurtz [BlackOps] on 26 Dec 2015 11:29:52 using the OCL2 app.
Congratulations!
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My lucky number is 75898524288+1 |
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Michael GoetzVolunteer moderator
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We've found another n=15 (32768) prime!
On 27 Dec 2015 0:55:27, the 237,140 digit prime 17255882^32768+1 was found by mackerel using the OCL2 app.
The double checker of this task was Snow Crash on 27 Dec 2015 13:18:17 using the CPU app.
Congratulations!
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My lucky number is 75898524288+1 |
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Michael GoetzVolunteer moderator
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We've found another n=16 (65536) prime and two n=15 (32768) primes!
Both of the n=15 primes were discovered by the same person, on the same computer, in a little more than one hour. One of the primes was found on the GPU and the other on the CPU.
First prime:
On 31 Dec 2015 5:55:39, the 439,830 digit prime 5143624^65536+1 was found by samuel7 using the OCL3 app.
The double checker of this task was Eric Nietering on 31 Dec 2015 6:06:15 using the OCL3 app.
Second prime:
On 31 Dec 2015 8:44:00, the 237,339 digit prime 17498720^32768+1 was found by yank using the OCL2 app.
The double checker of this task was BoSoxFan86 on 2 Jan 2016 23:55:59 using the OCL2 app.
Third prime:
On 31 Dec 2015 10:00:26, the 237,343 digit prime 17503170^32768+1 was found by yank using the CPU app.
The double checker of this task was Brickhead on 31 Dec 2015 10:05:20 using the OCL2 app.
Congratulations!
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My lucky number is 75898524288+1 |
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Hello!
Who will find number 100; will it show up this year or maybe start the new year with a bang at 100?
Happy new Year to You all!
With regards
Hans Sveen
Oslo, Norway
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Michael GoetzVolunteer moderator
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We've found another n=16 (65536) prime!
On 1 Jan 2016 1:00:56, the 440,009 digit prime 5176028^65536+1 was found by Jeff17 using the OCL3 app.
The double checker of this task was AT Hiker on 1 Jan 2016 4:30:28 using the OCL3 app.
Congratulations!
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My lucky number is 75898524288+1 |
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Michael GoetzVolunteer moderator
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We've found two more n=16 (65536) primes!
First prime:
On 1 Jan 2016 17:59:34, the 440,144 digit prime 5200658^65536+1 was found by Scott Brown using the OCL3 app.
The double checker of this task was rxu00171 on 2 Jan 2016 2:11:38 using the OCL3 app.
Second prime:
On 2 Jan 2016 6:35:11, the 440,264 digit prime 5222640^65536+1 was also found by Scott Brown using the OCL3 app.
The double checker of this task was AT Hiker on 2 Jan 2016 11:03:28 using the OCL3 app.
Congratulations!
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My lucky number is 75898524288+1 |
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Michael GoetzVolunteer moderator
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We've found another n=15 (32768) prime!
On 2 Jan 2016 22:21:22, the 237,446 digit prime 17630048^32768+1 was found by gian [Puglia] using the OCL2 app.
The double checker of this task was TheHarperdragon on 8 Jan 2016 19:11:10 using the OCL2 app.
Congratulations!
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My lucky number is 75898524288+1 |
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Michael GoetzVolunteer moderator
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We've found another n=15 (32768) prime and another n=16 (65536) prime!
First prime:
On 3 Jan 2016 13:11:32, the 237,540 digit prime 17746956^32768+1 was found by yank using the OCL2 app.
The double checker of this task was Werinbert on 3 Jan 2016 15:24:48 using the CPU app.
Second prime:
On 3 Jan 2016 14:56:39, the 440,484 digit prime 5263190^65536+1 was found by Scott Brown using the OCL3 app.
The double checker of this task was stevmcn on 3 Jan 2016 17:58:59 using the OCL3 app.
Congratulations!
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My lucky number is 75898524288+1 |
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Michael GoetzVolunteer moderator
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We've found another n=15 (32768) prime!
On 4 Jan 2016 12:04:06, the 237,600 digit prime 17821922^32768+1 was found by yank using the CPU app.
The double checker of this task was Kedar on 8 Jan 2016 8:31:46 using the CPU app.
Congratulations!
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My lucky number is 75898524288+1 |
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Michael GoetzVolunteer moderator
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We've found another n=16 (65536) prime and another n=15 (32768 prime!
First prime:
On 5 Jan 2016 3:24:55, the 440,952 digit prime 5350408^65536+1 was found by Scott Brown using the OCL3 app.
The double checker of this task was Hans-Jürgen Bergelt on 5 Jan 2016 8:00:54 using the OCL3 app.
Second prime:
On 5 Jan 2016 11:41:24, the 237,673 digit prime 17914162^32768+1 was found by yank using the CPU app.
The double checker of this task was RNDr. MF1 on 11 Jan 2016 10:36:26 using the CPU app.
Congratulations!
____________
My lucky number is 75898524288+1 |
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Michael GoetzVolunteer moderator
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We've found another n=15 (32768) prime!
On 5 Jan 2016 20:03:05, the 237,708 digit prime 17957740^32768+1 was found by Mark using the OCL2 app.
The double checker of this task was yank on 5 Jan 2016 20:18:58 using the OCL2 app.
Congratulations!
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My lucky number is 75898524288+1 |
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Just curious but as there have been numerous announcements, is the number of primes found above or at expected levels?
Cheers Rick
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@AggieThePew
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Michael GoetzVolunteer moderator
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Just curious but as there have been numerous announcements, is the number of primes found above or at expected levels?
Cheers Rick
For 32768, since the double check ended, the expected number of primes, according to Yves' calculator, is 81.1.
The actual number of primes found is 69.
For 65536 the expected number of primes is 12.99 and the actual number of primes is 12.
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My lucky number is 75898524288+1 |
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For 32768, since the double check ended, the expected number of primes, according to Yves' calculator, is 81.1.
The actual number of primes found is 69.
For 65536 the expected number of primes is 12.99 and the actual number of primes is 12.
Thanks for the update.
Rick |
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Michael GoetzVolunteer moderator
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We've found another n=15 (32768) prime!
On 6 Jan 2016 1:50:10, the 237,725 digit prime 17978924^32768+1 was found by copj_dl@download using the CPU app.
The double checker of this task was serge on 6 Jan 2016 2:00:00 using the CPU app.
Congratulations!
____________
My lucky number is 75898524288+1 |
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Michael GoetzVolunteer moderator
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We've found another n=15 (32768) prime!
On 6 Jan 2016 12:08:54, the 237,763 digit prime 18027484^32768+1 was found by RNDr. MF1 using the CPU app.
The double checker of this task was serge on 6 Jan 2016 12:15:57 using the CPU app.
Congratulations!
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My lucky number is 75898524288+1 |
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I've noticed that the cpu app is finding primes and are being doulbe checked by cpu also.
When you send out the work unit to a cpu do you then only send out the double checks to cpu's?
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Michael GoetzVolunteer moderator
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