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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Exponent Range:










MnStatusDetails
77290981TF
No factors below 275
TF target 274
P-1
B1 = 720000
B2 = 15120000
LL
StatusDateUserResidueShift
Unverified2016-10-02Mikhail E. Golosov9282385822CAAB__74624768
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2024-03-21-Anonymous-LL double-check0.00 % 2024-03-21
History
DateUserTypeResult
2016-10-02Mikhail E. GolosovC-LL
9282385822CAAB__
2016-05-01Judge HaleNF
no factor from 2^74 to 2^75
2016-04-03Mark RoseNF
no factor from 2^61 to 2^64
2015-09-06TheJudgerNF-PM1
B1=720000, B2=15120000, E=12
2015-08-281997rj7NF
no factor from 2^73 to 2^74
2015-08-281997rj7NF
no factor from 2^72 to 2^73
2015-06-08ChuckNF
no factor from 2^71 to 2^72
2013-05-20PascalBieriNF
no factor from 2^70 to 2^71
2010-11-03GrunwalderGIMPNF
no factor from 2^69 to 2^70
2010-11-01Bobbi and the StraysNF
no factor from 2^68 to 2^69
2010-10-28Michael CNF
no factor from 2^67 to 2^68
2010-10-24tmorrowNF
no factor from 2^66 to 2^67
2010-10-22RMAC9.5NF
no factor from 2^65 to 2^66
2010-10-05Charles SpaltonNF
no factor from 2^64 to 2^65