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

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MnStatusDetails
94246931Factored
FactorDigitsBitsDate
43074556866677612485909132581.82019-08-29 22:21:18
P-1 factors
DateFactorB1B2
2019-08-2943074556866677612485909138750000
History
DateUserTypeResult
2019-08-29Ryan PropperF-PM1
Factor: 4307455686667761248590913 / (P-1, B1=875000)
2019-08-06ixfd64NF
no factor from 2^73 to 2^74
2018-10-05FredrikNF
no factor from 2^72 to 2^73
2018-10-05FredrikNF
no factor from 2^71 to 2^72
2014-10-17shaugeNF
no factor from 2^70 to 2^71
2014-10-17shaugeNF
no factor from 2^69 to 2^70
2014-02-16gucsNF
no factor from 2^68 to 2^69
2014-02-01Carsten KossendeyNF
no factor from 2^65 to 2^68
2011-01-04Architects CubedNF
no factor from 2^64 to 2^65