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:










MnStatusDetails
74892787TF
No factors below 275
TF target 274
P-1
B1 = 620000
B2 = 11625000
LL
StatusDateUserResidueShift
Unverified2016-05-13baseyFB5ED59F15EFB8__70852140
History
DateUserTypeResult
2016-05-13baseyC-LL
FB5ED59F15EFB8__
2016-04-02Mark RoseNF
no factor from 2^57 to 2^64
2015-12-24Andrei PiaiveNF-PM1
B1=620000, B2=11625000
2015-12-06TheJudgerNF
no factor from 2^74 to 2^75
2015-12-06TheJudgerNF
no factor from 2^73 to 2^74
2015-12-03BdotNF
no factor from 2^72 to 2^73
2014-08-02Ilya AlexandrovNF
no factor from 2^71 to 2^72
2014-08-02Ilya AlexandrovNF
no factor from 2^70 to 2^71
2012-10-23Clown_RoyalNF
no factor from 2^69 to 2^70
2010-10-06dtlgcNF
no factor from 2^68 to 2^69
2010-09-29dtlgcNF
no factor from 2^67 to 2^68
2010-09-23dtlgcNF
no factor from 2^66 to 2^67
2010-09-17OktavianNF
no factor from 2^65 to 2^66
2010-09-17-Anonymous-NF
no factor from 2^64 to 2^65