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

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MnStatusDetails
99856531Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
61012773481468365279513592582.32020-08-06 09:00:40
P-1 factors
DateFactorB1B2
2020-08-06610127734814683652795135972500013593750
History
DateUserTypeResult
2020-08-06ky0urakuF-PM1
Factor: 6101277348146836527951359 / (P-1, B1=725000, B2=13593750, E=12)
2020-06-11Ryan PropperNF
no factor from 2^77 to 2^78
2020-02-14TheJudgerNF
no factor from 2^76 to 2^77
2020-02-14TheJudgerNF
no factor from 2^75 to 2^76
2020-02-11James HeinrichNF
no factor from 2^74 to 2^75
2019-12-22el groccoNF
no factor from 2^73 to 2^74
2019-03-19Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2017-02-06monstNF
no factor from 2^71 to 2^72
2014-10-03shaugeNF
no factor from 2^70 to 2^71
2014-05-17TDH-DXLNF
no factor from 2^69 to 2^70
2013-08-27processinfoNF
no factor from 2^68 to 2^69
2013-08-24processinfoNF
no factor from 2^67 to 2^68
2013-08-16Le ComteNF
no factor from 2^66 to 2^67
2012-06-26Jimmy BrüggemannNF
no factor from 2^65 to 2^66
2010-10-081997rj7NF
no factor from 2^64 to 2^65