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

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MnStatusDetails
101070587Factored
FactorDigitsBitsDate
40428235134887715838995650572891.72020-11-13 19:58:44
P-1 factors
DateFactorB1B2
2020-11-13404282351348877158389956505750000012500000
History
DateUserTypeResult
2020-11-13ky0urakuF-PM1
Factor: 4042823513488771583899565057 / (P-1, B1=500000, B2=12500000)
2020-07-24RichD0NF
no factor from 2^75 to 2^76
2020-06-18RichD0NF
no factor from 2^74 to 2^75
2020-03-30JoDuNF
no factor from 2^73 to 2^74
2020-03-13el groccoNF
no factor from 2^72 to 2^73
2014-12-09PascalBieriNF
no factor from 2^71 to 2^72
2014-04-29Smok_bmv NF
no factor from 2^70 to 2^71
2014-04-29Smok_bmv NF
no factor from 2^69 to 2^70
2014-04-22Andreas_TruetschNF
no factor from 2^68 to 2^69
2014-04-02SADMASTERNF
no factor from 2^67 to 2^68
2014-03-27Six Blue BoxesNF
no factor from 2^66 to 2^67
2012-04-13Andrew BNF
no factor from 2^65 to 2^66
2010-08-12sasaki3NF
no factor from 2^64 to 2^65
2010-02-171997rj7NF
no factor from 2^63 to 2^64