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

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MnStatusDetails
117168769Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2806936667073197577850318812787.92023-05-02 07:49:57
P-1 factors
DateFactorB1B2
2023-05-02280693666707319757785031881569000569000
History
DateUserTypeResult
2023-05-02ky0urakuF-PM1
Factor: 280693666707319757785031881 / (P-1, B1=569000)
2022-05-08TheJudgerNF
no factor from 2^76 to 2^77
2021-06-30TheJudgerNF
no factor from 2^75 to 2^76
2021-06-30TheJudgerNF
no factor from 2^74 to 2^75
2020-02-22Niels_Mache_NextcloudNF
no factor from 2^73 to 2^74
2020-02-22Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2015-12-08treborNF
no factor from 2^71 to 2^72
2015-11-04treborNF
no factor from 2^70 to 2^71
2015-10-23treborNF
no factor from 2^69 to 2^70
2015-10-06SourceBinary.comNF
no factor from 2^68 to 2^69
2015-03-28Josh FamestadNF
no factor from 2^67 to 2^68
2014-12-07tscNF
no factor from 2^66 to 2^67
2012-07-04sasaki3NF
no factor from 2^65 to 2^66
2010-10-11oilwarzonedotcomNF
no factor from 2^64 to 2^65
2010-05-11sasaki3NF
no factor from 2^63 to 2^64