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Message boards : Project Staging Area : Probable Prime (GFN)

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Profile mattozanProject donor
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Joined: 10 Mar 11
Posts: 947
ID: 90031
Credit: 1,013,525,142
RAC: 329,384
Discovered 2 mega primesFound 2 primes in the 2018 Tour de PrimesFound 1 prime in the 2018 Tour de Primes Mountain StageFound 4 primes in the 2019 Tour de PrimesFound 2 primes in the 2019 Tour de Primes Mountain Stage2020 Tour de Primes most Mountain Stage primesFound 3 primes in the 2020 Tour de PrimesFound 2 primes in the 2020 Tour de Primes Mountain Stage321 LLR Turquoise: Earned 5,000,000 credits (5,173,611)Cullen LLR Amethyst: Earned 1,000,000 credits (1,663,005)ESP LLR Turquoise: Earned 5,000,000 credits (8,654,733)Generalized Cullen/Woodall LLR Amethyst: Earned 1,000,000 credits (1,621,320)PPS LLR Emerald: Earned 50,000,000 credits (68,870,136)PSP LLR Sapphire: Earned 20,000,000 credits (20,078,008)SoB LLR Jade: Earned 10,000,000 credits (14,595,713)SR5 LLR Sapphire: Earned 20,000,000 credits (25,050,071)SGS LLR Jade: Earned 10,000,000 credits (14,659,429)TRP LLR Turquoise: Earned 5,000,000 credits (9,232,655)Woodall LLR Amethyst: Earned 1,000,000 credits (1,534,611)321 Sieve Ruby: Earned 2,000,000 credits (2,421,223)Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (2,165,870)Generalized Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (2,012,635)PPS Sieve Double Silver: Earned 200,000,000 credits (462,698,170)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Gold: Earned 500,000 credits (727,064)TRP Sieve (suspended) Amethyst: Earned 1,000,000 credits (1,187,678)AP 26/27 Double Bronze: Earned 100,000,000 credits (100,614,098)GFN Double Silver: Earned 200,000,000 credits (218,199,243)PSA Emerald: Earned 50,000,000 credits (52,377,097)
Message 52701 - Posted: 5 Apr 2012 | 18:10:41 UTC

I just figured out how to view my own PRPNet stats, and saw that I have a PRP on the GFN262144 project.

Is this PRP automatically tested somewhere for primality? Or am I supposed to do something on my own now?
____________

Proud member of Team Aggie the Pew

"Wir müssen wissen. Wir werden wissen."
"We must know, we shall know."
- David Hilbert, 1930

Iain BethuneProject donor
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321 LLR Gold: Earned 500,000 credits (597,175)Cullen LLR Amethyst: Earned 1,000,000 credits (1,355,381)ESP LLR Turquoise: Earned 5,000,000 credits (5,048,594)Generalized Cullen/Woodall LLR Ruby: Earned 2,000,000 credits (2,564,412)PPS LLR Amethyst: Earned 1,000,000 credits (1,025,115)PSP LLR Sapphire: Earned 20,000,000 credits (28,367,849)SoB LLR Jade: Earned 10,000,000 credits (16,215,329)SR5 LLR Turquoise: Earned 5,000,000 credits (5,189,992)SGS LLR Amethyst: Earned 1,000,000 credits (1,244,067)TRP LLR Turquoise: Earned 5,000,000 credits (5,169,405)Woodall LLR Amethyst: Earned 1,000,000 credits (1,070,956)321 Sieve Bronze: Earned 10,000 credits (20,003)Cullen/Woodall Sieve (suspended) Silver: Earned 100,000 credits (200,371)Generalized Cullen/Woodall Sieve (suspended) Jade: Earned 10,000,000 credits (11,645,025)PPS Sieve Turquoise: Earned 5,000,000 credits (7,536,532)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Amethyst: Earned 1,000,000 credits (1,017,144)TRP Sieve (suspended) Gold: Earned 500,000 credits (554,946)AP 26/27 Ruby: Earned 2,000,000 credits (3,577,848)GFN Emerald: Earned 50,000,000 credits (97,047,976)PSA Ruby: Earned 2,000,000 credits (4,606,694)
Message 52718 - Posted: 5 Apr 2012 | 20:19:15 UTC - in response to Message 52701.

This is odd. Your prpclient should automatically run the primality test with PFGW (assuming you have it in your package) when the PRP is found. Can you see the result of this test in your prpclient.log file?

The PRP is not listed on here : http://primes.utm.edu/top20/page.php?id=12 which suggests it was

a) proved not to be prime (unlikely)
b) proved to be prime but never submitted
c) has never been primality tested.

Please let us know if you see anything in the your log file. Otherwise you can run the deterministic test yourself using the PFGW executable.

Cheers

- Iain
____________
Twitter: IainBethune
Proud member of team "Aggie The Pew". Go Aggie!
3073428256125*2^1290000-1 is Prime!

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Found 2 primes in the 2018 Tour de PrimesFound 1 prime in the 2019 Tour de PrimesFound 2 primes in the 2020 Tour de PrimesFound 1 prime in the 2020 Tour de Primes Mountain Stage321 LLR Turquoise: Earned 5,000,000 credits (7,755,670)Cullen LLR Turquoise: Earned 5,000,000 credits (5,399,964)ESP LLR Jade: Earned 10,000,000 credits (11,742,728)Generalized Cullen/Woodall LLR Sapphire: Earned 20,000,000 credits (20,214,657)PPS LLR Jade: Earned 10,000,000 credits (15,158,359)PSP LLR Turquoise: Earned 5,000,000 credits (9,409,109)SoB LLR Jade: Earned 10,000,000 credits (12,074,463)SR5 LLR Sapphire: Earned 20,000,000 credits (22,886,469)SGS LLR Turquoise: Earned 5,000,000 credits (7,223,391)TPS LLR (retired) Bronze: Earned 10,000 credits (76,372)TRP LLR Jade: Earned 10,000,000 credits (15,623,097)Woodall LLR Turquoise: Earned 5,000,000 credits (8,519,621)321 Sieve Jade: Earned 10,000,000 credits (11,111,528)Cullen/Woodall Sieve (suspended) Sapphire: Earned 20,000,000 credits (20,000,264)Generalized Cullen/Woodall Sieve (suspended) Jade: Earned 10,000,000 credits (11,111,347)PPS Sieve Double Silver: Earned 200,000,000 credits (366,862,624)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Ruby: Earned 2,000,000 credits (3,177,104)TRP Sieve (suspended) Turquoise: Earned 5,000,000 credits (5,556,644)AP 26/27 Double Bronze: Earned 100,000,000 credits (121,698,223)GFN Double Silver: Earned 200,000,000 credits (392,409,019)PSA Double Amethyst: Earned 1,000,000,000 credits (1,079,860,880)
Message 52719 - Posted: 5 Apr 2012 | 20:48:34 UTC - in response to Message 52718.

This is odd. Your prpclient should automatically run the primality test with PFGW (assuming you have it in your package) when the PRP is found.

No, for GFN262144 it just reports the PRP. Changelog for PRPNet 5.0.0:
prpclient: For GFN searches, do not do primality test for n >= 262144 because PFGW requires many days to do the test and it doesn't checkpoint.

I guess that Lennart will run the primality test soon. ;)
____________

Profile mattozanProject donor
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Discovered 2 mega primesFound 2 primes in the 2018 Tour de PrimesFound 1 prime in the 2018 Tour de Primes Mountain StageFound 4 primes in the 2019 Tour de PrimesFound 2 primes in the 2019 Tour de Primes Mountain Stage2020 Tour de Primes most Mountain Stage primesFound 3 primes in the 2020 Tour de PrimesFound 2 primes in the 2020 Tour de Primes Mountain Stage321 LLR Turquoise: Earned 5,000,000 credits (5,173,611)Cullen LLR Amethyst: Earned 1,000,000 credits (1,663,005)ESP LLR Turquoise: Earned 5,000,000 credits (8,654,733)Generalized Cullen/Woodall LLR Amethyst: Earned 1,000,000 credits (1,621,320)PPS LLR Emerald: Earned 50,000,000 credits (68,870,136)PSP LLR Sapphire: Earned 20,000,000 credits (20,078,008)SoB LLR Jade: Earned 10,000,000 credits (14,595,713)SR5 LLR Sapphire: Earned 20,000,000 credits (25,050,071)SGS LLR Jade: Earned 10,000,000 credits (14,659,429)TRP LLR Turquoise: Earned 5,000,000 credits (9,232,655)Woodall LLR Amethyst: Earned 1,000,000 credits (1,534,611)321 Sieve Ruby: Earned 2,000,000 credits (2,421,223)Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (2,165,870)Generalized Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (2,012,635)PPS Sieve Double Silver: Earned 200,000,000 credits (462,698,170)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Gold: Earned 500,000 credits (727,064)TRP Sieve (suspended) Amethyst: Earned 1,000,000 credits (1,187,678)AP 26/27 Double Bronze: Earned 100,000,000 credits (100,614,098)GFN Double Silver: Earned 200,000,000 credits (218,199,243)PSA Emerald: Earned 50,000,000 credits (52,377,097)
Message 52722 - Posted: 5 Apr 2012 | 21:13:01 UTC - in response to Message 52718.

This is listed as being found back in December '11, when I was using PRPNet 4.3.7. But PFGW wasn't enabled in that configuration.

The log file has since been overwritten. I do remember, though, that when I was first configuring PRPNet for running GFN on CUDA I was getting jobs that would abort after about 30 seconds with a false positive result. This may have been one of those false alarms?

Digging back through my email I found this notification email:


Subject: Candidate 406306^262144+1 was found to be PRP by PRPNet!
From: sm5ymt@sm5ymt.se

12/12/11

This number is approximately 1470328 digits long. It was found on machine 90031 using the program . Since the test performed as only a PRP test, another program, such as PFGW must be used to prove primality. If the number is prime and is large enough for the Prime Pages, please include the program in the credits. If adding to the Prime Pages don't forget to include project "PrimeGrid" in the credits.


It arrived in a cluster of other emails that announced actual prime discoveries through PRPNet, and I think all of them were false alarms.

Can't hurt to run it through PFGW, though, just to be sure.

Usucapio LibertatisProject donor
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Discovered 1 mega prime2012 Tour de Primes highest prime scoreFound 2 primes in the 2018 Tour de PrimesFound 1 prime in the 2020 Tour de Primes321 LLR Jade: Earned 10,000,000 credits (14,136,498)Cullen LLR Ruby: Earned 2,000,000 credits (2,622,415)ESP LLR Ruby: Earned 2,000,000 credits (3,461,313)Generalized Cullen/Woodall LLR Ruby: Earned 2,000,000 credits (2,005,831)PPS LLR Jade: Earned 10,000,000 credits (12,154,007)PSP LLR Ruby: Earned 2,000,000 credits (2,414,623)SoB LLR Ruby: Earned 2,000,000 credits (3,923,258)SR5 LLR Ruby: Earned 2,000,000 credits (2,716,765)SGS LLR Ruby: Earned 2,000,000 credits (2,389,989)TRP LLR Ruby: Earned 2,000,000 credits (4,099,308)Woodall LLR Amethyst: Earned 1,000,000 credits (1,375,769)321 Sieve Ruby: Earned 2,000,000 credits (2,106,124)Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (4,449,019)Generalized Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (2,388,253)PPS Sieve Double Silver: Earned 200,000,000 credits (343,244,386)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Ruby: Earned 2,000,000 credits (2,072,601)TRP Sieve (suspended) Ruby: Earned 2,000,000 credits (2,441,257)AP 26/27 Sapphire: Earned 20,000,000 credits (21,294,481)GFN Emerald: Earned 50,000,000 credits (51,168,558)PSA Emerald: Earned 50,000,000 credits (79,952,619)
Message 52723 - Posted: 5 Apr 2012 | 21:38:06 UTC - in response to Message 52722.

This is listed as being found back in December '11, when I was using PRPNet 4.3.7. But PFGW wasn't enabled in that configuration.

The log file has since been overwritten. I do remember, though, that when I was first configuring PRPNet for running GFN on CUDA I was getting jobs that would abort after about 30 seconds with a false positive result. This may have been one of those false alarms?

Digging back through my email I found this notification email:


Subject: Candidate 406306^262144+1 was found to be PRP by PRPNet!
From: sm5ymt@sm5ymt.se

12/12/11

This number is approximately 1470328 digits long. It was found on machine 90031 using the program . Since the test performed as only a PRP test, another program, such as PFGW must be used to prove primality. If the number is prime and is large enough for the Prime Pages, please include the program in the credits. If adding to the Prime Pages don't forget to include project "PrimeGrid" in the credits.


It arrived in a cluster of other emails that announced actual prime discoveries through PRPNet, and I think all of them were false alarms.

Can't hurt to run it through PFGW, though, just to be sure.


I would suggest you run it manually with genefercuda first (or at the same time). If it is a false positive, you could abort pfgw teste and save a lot of hours. Good luck, anyway.

____________
676754^262144+1 is prime

Profile mattozanProject donor
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Joined: 10 Mar 11
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Credit: 1,013,525,142
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Discovered 2 mega primesFound 2 primes in the 2018 Tour de PrimesFound 1 prime in the 2018 Tour de Primes Mountain StageFound 4 primes in the 2019 Tour de PrimesFound 2 primes in the 2019 Tour de Primes Mountain Stage2020 Tour de Primes most Mountain Stage primesFound 3 primes in the 2020 Tour de PrimesFound 2 primes in the 2020 Tour de Primes Mountain Stage321 LLR Turquoise: Earned 5,000,000 credits (5,173,611)Cullen LLR Amethyst: Earned 1,000,000 credits (1,663,005)ESP LLR Turquoise: Earned 5,000,000 credits (8,654,733)Generalized Cullen/Woodall LLR Amethyst: Earned 1,000,000 credits (1,621,320)PPS LLR Emerald: Earned 50,000,000 credits (68,870,136)PSP LLR Sapphire: Earned 20,000,000 credits (20,078,008)SoB LLR Jade: Earned 10,000,000 credits (14,595,713)SR5 LLR Sapphire: Earned 20,000,000 credits (25,050,071)SGS LLR Jade: Earned 10,000,000 credits (14,659,429)TRP LLR Turquoise: Earned 5,000,000 credits (9,232,655)Woodall LLR Amethyst: Earned 1,000,000 credits (1,534,611)321 Sieve Ruby: Earned 2,000,000 credits (2,421,223)Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (2,165,870)Generalized Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (2,012,635)PPS Sieve Double Silver: Earned 200,000,000 credits (462,698,170)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Gold: Earned 500,000 credits (727,064)TRP Sieve (suspended) Amethyst: Earned 1,000,000 credits (1,187,678)AP 26/27 Double Bronze: Earned 100,000,000 credits (100,614,098)GFN Double Silver: Earned 200,000,000 credits (218,199,243)PSA Emerald: Earned 50,000,000 credits (52,377,097)
Message 52724 - Posted: 5 Apr 2012 | 23:09:20 UTC - in response to Message 52723.


I would suggest you run it manually with genefercuda first (or at the same time). If it is a false positive, you could abort pfgw teste and save a lot of hours. Good luck, anyway.


I can see that is a good idea. 1 hour vs. approx 25 days (and that's with the fastest CPU I have!)

geneferCUDA test is underway now and I should have an answer in 1:09. PFGW still running as well, just in case, but much more slowly :)

Usucapio LibertatisProject donor
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Discovered 1 mega prime2012 Tour de Primes highest prime scoreFound 2 primes in the 2018 Tour de PrimesFound 1 prime in the 2020 Tour de Primes321 LLR Jade: Earned 10,000,000 credits (14,136,498)Cullen LLR Ruby: Earned 2,000,000 credits (2,622,415)ESP LLR Ruby: Earned 2,000,000 credits (3,461,313)Generalized Cullen/Woodall LLR Ruby: Earned 2,000,000 credits (2,005,831)PPS LLR Jade: Earned 10,000,000 credits (12,154,007)PSP LLR Ruby: Earned 2,000,000 credits (2,414,623)SoB LLR Ruby: Earned 2,000,000 credits (3,923,258)SR5 LLR Ruby: Earned 2,000,000 credits (2,716,765)SGS LLR Ruby: Earned 2,000,000 credits (2,389,989)TRP LLR Ruby: Earned 2,000,000 credits (4,099,308)Woodall LLR Amethyst: Earned 1,000,000 credits (1,375,769)321 Sieve Ruby: Earned 2,000,000 credits (2,106,124)Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (4,449,019)Generalized Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (2,388,253)PPS Sieve Double Silver: Earned 200,000,000 credits (343,244,386)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Ruby: Earned 2,000,000 credits (2,072,601)TRP Sieve (suspended) Ruby: Earned 2,000,000 credits (2,441,257)AP 26/27 Sapphire: Earned 20,000,000 credits (21,294,481)GFN Emerald: Earned 50,000,000 credits (51,168,558)PSA Emerald: Earned 50,000,000 credits (79,952,619)
Message 52725 - Posted: 5 Apr 2012 | 23:23:07 UTC - in response to Message 52724.


I would suggest you run it manually with genefercuda first (or at the same time). If it is a false positive, you could abort pfgw teste and save a lot of hours. Good luck, anyway.


I can see that is a good idea. 1 hour vs. approx 25 days (and that's with the fastest CPU I have!)

geneferCUDA test is underway now and I should have an answer in 1:09. PFGW still running as well, just in case, but much more slowly :)


Well, you'll probably get the same result I just did. It was (most likely) a false positive. Do not abort your test, though. gtx550ti (the card I've used to run the test) can be tricky.

/genefercuda -q "40>genefercuda -q "406306^262144+1"
genefercuda 2.3.0-0 (Windows x86 CUDA 3.2)
Copyright 2001-2003, Yves Gallot
Copyright 2009, Mark Rodenkirch, David Underbakke
Copyright 2010-2012, Shoichiro Yamada, Ken Brazier
Copyright 2011-2012, Iain Bethune, Michael Goetz, Ronald Schneider

Command line: genefercuda -q 406306^262144+1

Using default SHIFT value=7

Starting initialization...
maxErr during b^N initialization = 0.0000 (0.103 seconds).
Estimated total run time for 406306^262144+1 is 1:27:40
406306^262144+1 is a probable composite. (RES=77594a620c2e8e6b) (1470328 digits)
(err = 0.0703) (time = 1:28:46) 00:11:40



____________
676754^262144+1 is prime

Profile mattozanProject donor
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Joined: 10 Mar 11
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Credit: 1,013,525,142
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Discovered 2 mega primesFound 2 primes in the 2018 Tour de PrimesFound 1 prime in the 2018 Tour de Primes Mountain StageFound 4 primes in the 2019 Tour de PrimesFound 2 primes in the 2019 Tour de Primes Mountain Stage2020 Tour de Primes most Mountain Stage primesFound 3 primes in the 2020 Tour de PrimesFound 2 primes in the 2020 Tour de Primes Mountain Stage321 LLR Turquoise: Earned 5,000,000 credits (5,173,611)Cullen LLR Amethyst: Earned 1,000,000 credits (1,663,005)ESP LLR Turquoise: Earned 5,000,000 credits (8,654,733)Generalized Cullen/Woodall LLR Amethyst: Earned 1,000,000 credits (1,621,320)PPS LLR Emerald: Earned 50,000,000 credits (68,870,136)PSP LLR Sapphire: Earned 20,000,000 credits (20,078,008)SoB LLR Jade: Earned 10,000,000 credits (14,595,713)SR5 LLR Sapphire: Earned 20,000,000 credits (25,050,071)SGS LLR Jade: Earned 10,000,000 credits (14,659,429)TRP LLR Turquoise: Earned 5,000,000 credits (9,232,655)Woodall LLR Amethyst: Earned 1,000,000 credits (1,534,611)321 Sieve Ruby: Earned 2,000,000 credits (2,421,223)Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (2,165,870)Generalized Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (2,012,635)PPS Sieve Double Silver: Earned 200,000,000 credits (462,698,170)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Gold: Earned 500,000 credits (727,064)TRP Sieve (suspended) Amethyst: Earned 1,000,000 credits (1,187,678)AP 26/27 Double Bronze: Earned 100,000,000 credits (100,614,098)GFN Double Silver: Earned 200,000,000 credits (218,199,243)PSA Emerald: Earned 50,000,000 credits (52,377,097)
Message 52731 - Posted: 6 Apr 2012 | 2:11:40 UTC - in response to Message 52725.


Command line: genefercuda.exe -q 406306^262144+1

Using default SHIFT value=7

Starting initialization...
maxErr during b^N initialization = 0.0000 (0.330 seconds).
Estimated total run time for 406306^262144+1 is 1:11:38
406306^262144+1 is a probable composite. (RES=77594a620c2e8e6b) (1470328 digits)
(err = 0.0703) (time = 1:13:17) 17:17:10


Confirmed.

Profile Lennart SM5YMTProject donor
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Discovered the World's First base 13 Generalized Woodall prime!!!Eliminated 22 conjecture "k"s2009 Tour de Primes highest prime count2009 Tour de Primes most Mountain Stage primes2010 Tour de Primes highest prime count2010 Tour de Primes highest prime score321 LLR Turquoise: Earned 5,000,000 credits (5,097,586)Cullen LLR Amethyst: Earned 1,000,000 credits (1,101,661)PPS LLR Emerald: Earned 50,000,000 credits (80,169,933)PSP LLR Jade: Earned 10,000,000 credits (18,921,475)SoB LLR Bronze: Earned 10,000 credits (55,453)SR5 LLR Ruby: Earned 2,000,000 credits (4,407,637)SGS LLR Ruby: Earned 2,000,000 credits (4,595,742)TPS LLR (retired) Silver: Earned 100,000 credits (360,998)TRP LLR Turquoise: Earned 5,000,000 credits (5,800,792)Woodall LLR Ruby: Earned 2,000,000 credits (4,885,194)321 Sieve Amethyst: Earned 1,000,000 credits (1,345,944)Cullen/Woodall Sieve (suspended) Sapphire: Earned 20,000,000 credits (27,566,122)PPS Sieve Double Silver: Earned 200,000,000 credits (220,787,724)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Ruby: Earned 2,000,000 credits (2,694,194)TRP Sieve (suspended) Turquoise: Earned 5,000,000 credits (8,986,371)AP 26/27 Amethyst: Earned 1,000,000 credits (1,780,026)GFN Jade: Earned 10,000,000 credits (18,585,003)PSA Double Silver: Earned 200,000,000 credits (287,482,568)
Message 52756 - Posted: 6 Apr 2012 | 19:25:48 UTC - in response to Message 52731.

Done.
PFGW Version 3.6.3.64BIT.20120316.Win_Dev [GWNUM 27.5]

Primality testing 406306^262144+1 [N-1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 3
Special modular reduction using generic reduction AVX Core2 type-3 FFT length 512K, Pass1=128, Pass2=4K on 406306^262144+1
406306^262144+1 is composite (53232.3874s+0.0531s)


Done.

Sorry..


Lennart

Message boards : Project Staging Area : Probable Prime (GFN)

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