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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MnStatusDetails
85788203Factored
FactorDigitsBitsDate
386031268183056693424176718056960190588940131.52018-02-05 22:41:54
P-1 factors
DateFactorB1B2
2018-02-05386031268183056693424176718056960190588969000013627500
History
DateUserTypeResult
2018-02-05jackwingF-PM1
Factor: 3860312681830566934241767180569601905889 / (P-1, B1=690000, B2=13627500, E=12)
2017-10-15TheJudgerNF
no factor from 2^75 to 2^76
2017-10-12Brian BeuningNF
no factor from 2^74 to 2^75
2017-05-12-Anonymous-NF
no factor from 2^73 to 2^74
2017-03-25linamentNF
no factor from 2^72 to 2^73
2017-03-25linamentNF
no factor from 2^71 to 2^72
2013-11-19sasakiNF
no factor from 2^70 to 2^71
2013-08-17CSLatDDNF
no factor from 2^69 to 2^70
2013-08-15gfiguergNF
no factor from 2^68 to 2^69
2013-03-08Florimond C.NF
no factor from 2^67 to 2^68
2013-03-07adhamNF
no factor from 2^66 to 2^67
2013-03-02-Anonymous-NF
no factor from 2^65 to 2^66
2010-11-28Architects CubedNF
no factor from 2^64 to 2^65