Marin Mersenne 2^P-1
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Finding World Record Primes Since 1996

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MnStatusDetails
95196611Factored
FactorDigitsBitsDate
1997177497489643952872412813489846891793741133.92019-08-31 10:11:50
P-1 factors
DateFactorB1B2
2019-08-311997177497489643952872412813489846891793793500022673750
History
DateUserTypeResult
2019-08-31Ryan PropperF-PM1
Factor: 19971774974896439528724128134898468917937 / (P-1, B1=935000, B2=22673750, E=6)
2019-04-19Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2018-11-09Andrew BNF
no factor from 2^71 to 2^72
2014-11-23shaugeNF
no factor from 2^70 to 2^71
2014-04-24PascalBieriNF
no factor from 2^69 to 2^70
2014-04-19PascalBieriNF
no factor from 2^68 to 2^69
2014-02-14Carsten KossendeyNF
no factor from 2^65 to 2^68
2010-12-28Architects CubedNF
no factor from 2^64 to 2^65