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
55927471No factors below 274
P-1
B1=560 000
B2=12 180 000
LL
StatusDateUserResidueShift
Verified2013-02-21curtisc669F24B4BBF72E5B24104923
Verified2021-05-13DWB001669F24B4BBF72E5B8294132
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2020-03-15-Anonymous-LL double-check0.0 % 2020-03-152020-04-24
2019-09-04-Anonymous-LL double-check0.0 % 2019-09-042019-10-14
2019-06-26-Anonymous-LL double-check0.0 % 2019-06-262019-08-05
2019-04-15-Anonymous-LL double-checkLL0.0 % 2019-04-172019-05-27
2019-01-04-Anonymous-LL double-checkLL0.0 % 2020-02-142019-03-04
History
DateUserTypeResult
2021-05-13DWB001C-LL669F24B4BBF72E5B
2019-03-30Mark RoseNFno factor from 2^73 to 2^74
2016-02-23Mark RoseNFno factor from 2^58 to 2^63
2016-01-28Mark RoseNFno factor from 2^72 to 2^73
2013-02-21curtiscC-LL669F24B4BBF72E5B
2012-06-26owftheevilNF-PM1B1=560000, B2=12180000, E=12
2012-06-20Jerry HallettNFno factor from 2^71 to 2^72
2011-07-17kdgehmanNFno factor from 2^70 to 2^71
2011-07-17kdgehmanNFno factor from 2^69 to 2^70
2011-04-12marvikNFno factor from 2^68 to 2^69
2009-11-18Sturle SundeNFno factor from 2^67 to 2^68
2009-11-16GrunwalderGIMPNFno factor from 2^66 to 2^67
2009-11-15GrunwalderGIMPNFno factor from 2^65 to 2^66
2009-01-07ANONYMOUSNFno factor from 2^64 to 2^65
2009-01-051997rj7NFno factor from 2^63 to 2^64
2002-08-24-Anonymous-NFno factor to 2^58
2001-09-22-Anonymous-NFno factor to 2^57
2000-06-11-Anonymous-NFno factor to 2^56
2000-03-01-Anonymous-NFno factor to 2^54
2000-01-19-Anonymous-NFno factor to 2^53
1999-12-15-Anonymous-NFno factor to 2^53