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

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MnStatusDetails
255779999Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
251853862150333823645832374.42023-02-16 03:14:06
History
DateUserTypeResult
2023-02-16Smok_bmv F
Factor: 25185386215033382364583 / TF: 74-75*
2022-02-21SRBaseNF
no factor from 2^73 to 2^74
2020-11-22SRBaseNF
no factor from 2^72 to 2^73
2020-06-30SRBaseNF
no factor from 2^71 to 2^72
2020-05-02SRBaseNF
no factor from 2^70 to 2^71
2019-04-19ANONYMOUSNF
no factor from 2^69 to 2^70
2018-06-10Niels_Mache_NextcloudNF
no factor from 2^68 to 2^69
2015-10-03caddrNF
no factor from 2^66 to 2^68
2013-11-13GrunwalderGIMPNF
no factor from 2^65 to 2^66
2011-08-03ALSNF
no factor from 2^64 to 2^65
2010-03-08Architects CubedNF
no factor from 2^63 to 2^64
2010-03-08Architects CubedNF
no factor from 2^62 to 2^63