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

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MnStatusDetails
104591717Factored
FactorDigitsBitsDate
28081180363124071239637612581.22021-06-26 10:17:40
P-1 factors
DateFactorB1B2
2021-06-26280811803631240712396376175800022204000
History
DateUserTypeResult
2021-06-26Denis PorvaF-PM1
Factor: 2808118036312407123963761 / (P-1, B1=758000, B2=22204000, E=6)
2021-03-08Yves de WandelaarNF
no factor from 2^75 to 2^76
2021-03-06lobsterfordinnerNF
no factor from 2^74 to 2^75
2020-04-02SRBaseNF
no factor from 2^73 to 2^74
2020-03-09Architects CubedNF
no factor from 2^72 to 2^73
2014-12-26shaugeNF
no factor from 2^71 to 2^72
2014-07-07Ryan PropperNF
no factor from 2^70 to 2^71
2014-05-08Risto A. PajuNF
no factor from 2^69 to 2^70
2014-05-08Risto A. PajuNF
no factor from 2^68 to 2^69
2014-05-08Risto A. PajuNF
no factor from 2^67 to 2^68
2013-09-02RobishNF
no factor from 2^66 to 2^67
2012-05-06sasaki3NF
no factor from 2^65 to 2^66
2010-08-28Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-04-18carlos56NF
no factor from 2^63 to 2^64