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
2900129No factors below 268
P-1
B1=5 000 000
B2=200 000 000
LL
StatusDateUserResidueShift
VerifiedMatthieu Klein84F3D2615F44B3BF0
VerifiedSteve Potocny84F3D2615F44B3BF75746
Verified1999-05-30Jean-Philippe GARSZTKA84F3D2615F44B3BF1382050
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2020-03-21SRJ2877factor ECM small0.0 % 2020-03-212020-09-17
History
DateUserTypeResult
2020-03-17masserNF-PM1B1=5000000, B2=200000000, E=12
2018-12-17chuenkitNFno factor from 2^67 to 2^68
2018-02-18Jocelyn LaroucheNF-PM1B1=2900129, B2=5800258, E=6
2018-02-17Jocelyn LaroucheNF-PM1B1=2900129
2018-02-12Jocelyn LaroucheNF-PM1B1=2488320
2018-02-11Jocelyn LaroucheNF-PM1B1=2073600
2018-02-07Jocelyn LaroucheNF-PM1B1=1728000
2018-02-05Jocelyn LaroucheNF-PM1B1=1440000
2017-11-16Gordon SpenceNFno factor from 2^66 to 2^67
2016-02-23Mark RoseNFno factor from 2^1 to 2^60
2016-02-19ramgeisNFno factor from 2^65 to 2^66
2015-04-25VictordeHollanderNFno factor from 2^64 to 2^65
2015-04-25VictordeHollanderNFno factor from 2^63 to 2^64
2013-01-10dbaughNFno factor from 2^62 to 2^63
2011-12-06Grant McCrackenNFno factor from 2^61 to 2^62
2010-03-30Rob_DeeNF-PM1B1=1000000, B2=1100000
2010-03-29Rob_DeeNF-PM1B1=900000, B2=1000000
2010-03-28Rob_DeeNF-PM1B1=800000, B2=900000
2010-03-27Rob_DeeNF-PM1B1=700000, B2=800000
2010-03-26Rob_DeeNF-PM1B1=600000, B2=700000
2010-03-25Rob_DeeNF-PM1B1=500000, B2=600000
2010-03-24Rob_DeeNF-PM1B1=400000, B2=500000
2010-03-23Rob_DeeNF-PM1B1=300000, B2=400000
2010-03-22Rob_DeeNF-PM1B1=200000, B2=300000
2010-03-21Rob_DeeNF-PM1B1=100000, B2=200000
2009-07-03Carsten KossendeyNF-PM1B1=15000, B2=168750
2009-02-12Sturle SundeNFno factor from 2^60 to 2^61
2003-12-02-Anonymous-NF-PM1B1=2048, B2=204800
1999-05-30-Anonymous-C-LL84F3D2615F44B3BF