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

PrimeNet Exponent Status

Exponent Range:
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MnStatusDetails
57122203No factors below 274
P-1
B1=685 000
B2=20 378 750
LL
StatusDateUserResidueShift
Verified2013-04-15lindedED3009FE4FE4F0475541428
Verified2021-07-03RichD0ED3009FE4FE4F04734273843
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2021-05-02AUM - KuwaitLL double-check0.0 % 2021-05-032021-07-01
2020-08-03-Anonymous-LL double-check0.0 % 2020-08-032020-09-12
2020-05-06-Anonymous-LL double-check0.0 % 2020-05-062020-06-15
2020-02-10-Anonymous-LL double-checkLL0.0 % 2020-02-112020-03-22
2019-11-06-Anonymous-LL double-check0.0 % 2019-11-062019-12-16
History
DateUserTypeResult
2021-07-03RichD0C-LLED3009FE4FE4F047
2019-02-03TheJudgerNFno factor from 2^73 to 2^74
2016-02-23Mark RoseNFno factor from 2^60 to 2^63
2013-04-15lindedC-LLED3009FE4FE4F047
2012-09-01delta_tNFno factor from 2^71 to 2^73
2011-06-28steinrarNFno factor from 2^70 to 2^71
2011-06-28steinrarNFno factor from 2^69 to 2^70
2011-06-28steinrarNFno factor from 2^68 to 2^69
2011-05-17DRHNF-PM1B1=685000, B2=20378750, E=6
2009-05-29aEricNFno factor from 2^67 to 2^68
2008-10-05Sturle SundeNFno factor from 2^66 to 2^67
2008-10-04Sturle SundeNFno factor from 2^65 to 2^66
2008-10-04Sturle SundeNFno factor from 2^64 to 2^65
2008-10-01BoulderNFno factor from 2^63 to 2^64
2003-07-30Team Prime RibNFno factor to 2^60
2002-10-26-Anonymous-NFno factor to 2^58
2001-09-22-Anonymous-NFno factor to 2^57
2000-06-26-Anonymous-NFno factor to 2^56
2000-03-08-Anonymous-NFno factor to 2^54
2000-01-04-Anonymous-NFno factor to 2^53
1999-12-08-Anonymous-NFno factor to 2^53