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
62521549Factored
FactorDigitsBitsDate
432858872750366279084037443581087113737121.72013-04-05 00:11:50
P-1 factors
DateFactorB1B2
2013-04-05432858872750366279084037443581087113759500012346250
History
DateUserTypeResult
2022-03-30LordJuliusNF
no factor from 2^1 to 2^63
2013-04-05wtoF-PM1
Factor: 4328588727503662790840374435810871137
2013-03-26TheJudgerNF
no factor from 2^72 to 2^73
2013-03-26TheJudgerNF
no factor from 2^71 to 2^72
2013-02-23XyzzyNF
no factor from 2^70 to 2^71
2011-12-10eon_blue_apocalypseNF
no factor from 2^69 to 2^70
2009-08-08korvaNF
no factor from 2^68 to 2^69
2009-02-23arnaudNF
no factor from 2^67 to 2^68
2009-02-21arnaudNF
no factor from 2^66 to 2^67
2009-02-20arnaudNF
no factor from 2^65 to 2^66
2009-02-18ANONYMOUSNF
no factor from 2^64 to 2^65
2009-01-22Wojciech FlorekNF
no factor from 2^63 to 2^64