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

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MnStatusDetails
97915469Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
20532759002906508349525357932890.72020-04-20 04:28:52
P-1 factors
DateFactorB1B2
2020-04-20205327590029065083495253579371500013406250
History
DateUserTypeResult
2020-04-20ky0urakuF-PM1
Factor: 2053275900290650834952535793 / (P-1, B1=715000, B2=13406250, E=12)
2020-04-10SRBaseNF
no factor from 2^77 to 2^78
2020-02-02TheJudgerNF
no factor from 2^76 to 2^77
2020-01-22TheJudgerNF
no factor from 2^75 to 2^76
2020-01-22TheJudgerNF
no factor from 2^74 to 2^75
2019-11-07Hans LoeblichNF
no factor from 2^73 to 2^74
2019-03-10Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2018-12-28Niels_Mache_NextcloudNF
no factor from 2^71 to 2^72
2014-06-20Special_EdNF
no factor from 2^70 to 2^71
2014-06-10-Anonymous-NF
no factor from 2^69 to 2^70
2014-04-01alessandroNF
no factor from 2^68 to 2^69
2014-03-22Andreas_TruetschNF
no factor from 2^67 to 2^68
2014-02-01sasakiNF
no factor from 2^65 to 2^67
2011-01-16Architects CubedNF
no factor from 2^64 to 2^65