Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
2050007No factors below 269
P-1
B1=4 000 000
B2=200 000 000
LL
StatusDateUserResidueShift
VerifiedJoe DeckerA3B539B2C32B878B0
Verified1999-01-29Jon GranthamA3B539B2C32B878B1868479
Verified2016-07-15Mark RoseA3B539B2C32B878B1133336
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2020-12-16-Anonymous-factor ECM small0.0 % 2020-12-162021-02-14
History
DateUserTypeResult
2021-08-05TJAOINFno factor from 2^68 to 2^69
2019-08-11mikrNF-PM1B1=4000000, B2=200000000, E=12
2019-07-01BigBrotherNF-PM1B1=1000000, B2=20000000, E=12
2019-03-23chuenkitNFno factor from 2^67 to 2^68
2016-08-13Gordon SpenceNFno factor from 2^66 to 2^67
2016-07-15Mark RoseC-LLA3B539B2C32B878B
2016-02-23Mark RoseNFno factor from 2^58 to 2^60
2015-11-03ramgeisNFno factor from 2^65 to 2^66
2015-10-06Bruno VictalNF-PM1B1=500000, B2=15000000, E=12
2015-04-13VictordeHollanderNFno factor from 2^64 to 2^65
2015-04-13VictordeHollanderNFno factor from 2^63 to 2^64
2014-10-22Jocelyn LaroucheNF-PM1B1=166309
2013-09-01ramgeisNFno factor from 2^62 to 2^63
2012-02-29Sebastian HornbostelNFno factor from 2^61 to 2^62
2012-01-06Squeeky_SquirrelNF-PM1B1=135000, B2=2868750, E=6
2011-01-04Jocelyn LaroucheNF-PM1B1=50000
2010-12-28Jocelyn LaroucheNF-PM1B1=30000
2009-01-03Sturle SundeNFno factor from 2^60 to 2^61
2003-01-16Mr. P-1NF-PM1B1=25000, B2=425000, E=12
2002-05-05Jocelyn LaroucheNF-PM1B1=2000, B2=2000
1999-01-29-Anonymous-C-LLA3B539B2C32B878B
1999-01-10-Anonymous-NFno factor to 2^58