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Message boards : News : SR5 Mega Prime - March 2016 Edition Version 3.0

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Scott BrownProject donor
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Joined: 17 Oct 05
Posts: 1750
ID: 1178
Credit: 5,467,167,955
RAC: 3,382,957
Discovered the World's First base 116 Generalized Cullen prime!!!Discovered 12 mega primesEliminated 6 conjecture "k"sDiscovered 1 Sophie Germain pairDiscovered 1 Fermat divisor2012 Tour de Primes highest prime count2012 Tour de Primes most Mountain Stage primes2015 Tour de Primes highest prime count2016 Tour de Primes highest prime countFound 23 primes in the 2018 Tour de PrimesFound 1 mega prime in the 2018 Tour de PrimesFound 2 primes in the 2018 Tour de Primes Mountain Stage321 LLR Double Bronze: Earned 100,000,000 credits (100,829,118)Cullen LLR Double Bronze: Earned 100,000,000 credits (103,702,522)ESP LLR Double Bronze: Earned 100,000,000 credits (103,603,483)Generalized Cullen/Woodall LLR Double Bronze: Earned 100,000,000 credits (102,075,655)PPS LLR Double Silver: Earned 200,000,000 credits (303,052,366)PSP LLR Emerald: Earned 50,000,000 credits (80,100,999)SoB LLR Double Bronze: Earned 100,000,000 credits (116,841,417)SR5 LLR Double Bronze: Earned 100,000,000 credits (128,853,717)SGS LLR Double Bronze: Earned 100,000,000 credits (143,876,598)TPS LLR (retired) Silver: Earned 100,000 credits (235,439)TRP LLR Double Bronze: Earned 100,000,000 credits (109,149,031)Woodall LLR Double Bronze: Earned 100,000,000 credits (100,594,343)321 Sieve (suspended) Turquoise: Earned 5,000,000 credits (8,322,150)Cullen/Woodall Sieve (suspended) Emerald: Earned 50,000,000 credits (83,794,448)Generalized Cullen/Woodall Sieve Double Silver: Earned 200,000,000 credits (234,317,876)PPS Sieve Double Ruby: Earned 2,000,000,000 credits (2,105,655,578)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Double Silver: Earned 200,000,000 credits (203,523,358)TRP Sieve (suspended) Double Silver: Earned 200,000,000 credits (201,489,157)AP 26/27 Double Bronze: Earned 100,000,000 credits (102,759,423)GFN Double Gold: Earned 500,000,000 credits (875,373,885)PSA Double Silver: Earned 200,000,000 credits (259,058,048)
Message 94185 - Posted: 15 Apr 2016 | 19:24:37 UTC

On 25 March 2016, 10:34:36 UTC, PrimeGrid’s Sierpinski/Riesel Base 5 Problem project eliminated k=296024 by finding the mega prime:

296024*5^2185270-1

The prime is 1,527,444 digits long and enters Chris Caldwell's The Largest Known Primes Database ranked 50th overall. This is the largest known base 5 mega prime. 76 k's now remain in the Riesel Base 5 Problem.

The discovery was made by Steven Wong (mackerel) of the United Kingdom using an Intel(R) Core(TM) i7-6700K CPU @ 4.00GHz with 16GB RAM running Microsoft Windows 10. This computer took about 15 hours 10 minutes to complete the primality test using LLR. Steven is a member of the Aggie The Pew team.

The prime was verified on 29 March 2016, 09:01:18 UTC by Matthew Borneman (Maxwell [MM]) of the United States using an Intel(R) Core(TM)2 Duo CPU E7500 @ 2.93GHz with 4GB RAM running Microsoft Windows 7 Professional. This computer took about 65 hours 5 minutes to complete the primality test using LLR. Matthew is a member of the SETI.USA team.

For more details, please see the official announcement.

[CSF] Thomas H.V. DupontProject donor
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Joined: 22 Jan 16
Posts: 414
ID: 436840
Credit: 23,321,593
RAC: 13,957
321 LLR Bronze: Earned 10,000 credits (18,114)Cullen LLR Bronze: Earned 10,000 credits (34,704)ESP LLR Bronze: Earned 10,000 credits (26,640)Generalized Cullen/Woodall LLR Bronze: Earned 10,000 credits (15,312)PPS LLR Bronze: Earned 10,000 credits (78,903)SoB LLR Silver: Earned 100,000 credits (121,578)SR5 LLR Bronze: Earned 10,000 credits (25,295)SGS LLR Gold: Earned 500,000 credits (507,221)Generalized Cullen/Woodall Sieve Silver: Earned 100,000 credits (113,599)PPS Sieve Jade: Earned 10,000,000 credits (17,893,268)TRP Sieve (suspended) Bronze: Earned 10,000 credits (26,191)AP 26/27 Silver: Earned 100,000 credits (384,085)GFN Amethyst: Earned 1,000,000 credits (1,602,963)PSA Ruby: Earned 2,000,000 credits (2,473,720)
Message 94236 - Posted: 17 Apr 2016 | 10:06:06 UTC - in response to Message 94185.

Congratulations to Steven and Matthew!
Thanks Scott for the announcement :)
____________
Founder of CRUNCHERS SANS FRONTIERES
www.crunchersansfrontieres.org
CSF lucky number 22872882^65536+1

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Message boards : News : SR5 Mega Prime - March 2016 Edition Version 3.0

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