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
115937131Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
6136767792162751706639772479.02022-07-20 15:34:33
P-1 factors
DateFactorB1B2
2022-07-2061367677921627517066397754600024776000
History
DateUserTypeResult
2022-07-20ky0urakuF-PM1
Factor: 613676779216275170663977 / (P-1, B1=546000, B2=24776000)
2022-03-20404_factor_not_foundNF
no factor from 2^76 to 2^77
2021-01-10KrieselNF
no factor from 2^75 to 2^76
2020-12-03hktNF
no factor from 2^74 to 2^75
2020-10-29RNutterNF
no factor from 2^73 to 2^74
2020-04-26SRBaseNF
no factor from 2^72 to 2^73
2015-03-31Alexander StohrNF
no factor from 2^71 to 2^72
2015-03-24Alexander StohrNF
no factor from 2^70 to 2^71
2015-03-19junkcalcNF
no factor from 2^69 to 2^70
2015-03-18junkcalcNF
no factor from 2^68 to 2^69
2015-03-17bunddogNF
no factor from 2^67 to 2^68
2014-11-30MattNF
no factor from 2^66 to 2^67
2012-06-30RichardNF
no factor from 2^65 to 2^66
2010-10-10Dubai_CollegeNF
no factor from 2^64 to 2^65
2010-05-09Torchwood InstituteNF
no factor from 2^63 to 2^64