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
57251941No factors below 274
P-1
B1=575 000
B2=12 506 250
LL
StatusDateUserResidueShift
Verified2013-08-01curtiscFDF88DB969B0A4FC49623259
Verified2021-05-13AuspiciousLLamaFDF88DB969B0A4FC5143337
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2020-09-04AlucardLL double-check0.0 % 2020-09-042020-10-14
2020-07-24-Anonymous-LL double-check0.0 % 2020-07-242020-09-02
2020-05-11-Anonymous-LL double-check0.0 % 2020-05-112020-06-20
2020-02-13-Anonymous-LL double-check0.0 % 2020-02-132020-03-24
2019-11-10-Anonymous-LL double-check0.0 % 2019-11-102019-12-20
History
DateUserTypeResult
2021-05-13AuspiciousLLamaC-LLFDF88DB969B0A4FC
2019-02-03TheJudgerNFno factor from 2^73 to 2^74
2016-02-23Mark RoseNFno factor from 2^60 to 2^63
2013-08-01curtiscC-LLFDF88DB969B0A4FC
2012-08-14BigBrotherNFno factor from 2^72 to 2^73
2012-06-13GrunwalderGIMPNF-PM1B1=575000, B2=12506250
2012-06-02bcp19NFno factor from 2^71 to 2^72
2011-06-17shaugeNFno factor from 2^70 to 2^71
2011-06-17shaugeNFno factor from 2^69 to 2^70
2011-04-22searchingforprimesNFno factor from 2^68 to 2^69
2009-06-10Thomas FehrNFno factor from 2^67 to 2^68
2008-09-24Sturle SundeNFno factor from 2^66 to 2^67
2008-09-22Sturle SundeNFno factor from 2^65 to 2^66
2008-09-21Sturle SundeNFno factor from 2^64 to 2^65
2008-09-21Sturle SundeNFno factor from 2^63 to 2^64
2003-08-25Team Prime RibNFno factor to 2^60
2002-11-02-Anonymous-NFno factor to 2^58
2001-09-22-Anonymous-NFno factor to 2^57
2000-06-28-Anonymous-NFno factor to 2^56
2000-03-08-Anonymous-NFno factor to 2^54
1999-12-23-Anonymous-NFno factor to 2^53