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
1844473No factors below 268
P-1
B1=1 844 473
B2=184 447 300
LL
StatusDateUserResidueShift
VerifiedMarc Honey426A1897F0E85D460
VerifiedJoel Smith426A1897F0E85D460
Verified1999-02-21holten426A1897F0E85D46304542
Verified2016-06-02MadPoo426A1897F0E85D461386547
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2021-03-13-Anonymous-factor ECM small0.0 % 2021-03-132021-05-12
2020-12-12-Anonymous-factor ECM small0.0 % 2020-12-122021-02-10
2020-09-28-Anonymous-factor ECM small0.0 % 2020-09-282020-11-27
History
DateUserTypeResult
2019-06-24TJAOINFno factor from 2^67 to 2^68
2018-08-06Jocelyn LaroucheNF-PM1B1=1844473, B2=184447300, E=12
2017-11-17TJAOINFno factor from 2^66 to 2^67
2016-06-02MadPooC-LL426A1897F0E85D46
2016-02-23Mark RoseNFno factor from 2^62 to 2^63
2016-02-23Mark RoseNFno factor from 2^61 to 2^62
2016-02-23Mark RoseNFno factor from 2^1 to 2^60
2015-09-07ramgeisNFno factor from 2^65 to 2^66
2015-07-14mikrNF-PM1B1=2780000, B2=91760000, E=12
2015-04-27snme2pm1NFno factor from 2^64 to 2^65
2015-04-27snme2pm1NFno factor from 2^63 to 2^64
2014-09-25Jocelyn LaroucheNF-PM1B1=169596
2014-05-19Jocelyn LaroucheNF-PM1B1=134798
2011-02-07Carsten KossendeyNF-PM1B1=100000, B2=1700000, E=6
2011-01-21GrunwalderGIMPNFno factor from 2^1 to 2^63
2010-04-09Architects CubedNFno factor from 2^60 to 2^61
1999-02-21-Anonymous-C-LL426A1897F0E85D46