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

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MnStatusDetails
101320529Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3166177042558234880352890497133098.02020-11-28 18:30:31
P-1 factors
DateFactorB1B2
2020-11-28316617704255823488035289049713750000750000
History
DateUserTypeResult
2020-11-28ky0urakuF-PM1
Factor: 316617704255823488035289049713 / (P-1, B1=750000)
2020-10-01RichD0NF
no factor from 2^76 to 2^77
2020-10-01FlaukrotistNF
no factor from 2^75 to 2^76
2020-10-01el groccoNF
no factor from 2^74 to 2^75
2020-03-26Hans LoeblichNF
no factor from 2^73 to 2^74
2020-03-15el groccoNF
no factor from 2^72 to 2^73
2014-12-01shaugeNF
no factor from 2^71 to 2^72
2014-06-05timc995NF
no factor from 2^70 to 2^71
2014-06-02SatanNF
no factor from 2^69 to 2^70
2014-06-02SatanNF
no factor from 2^68 to 2^69
2014-06-02SatanNF
no factor from 2^66 to 2^68
2011-07-13riccardo ubertiNF
no factor from 2^65 to 2^66
2010-08-13Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-03-151997rj7NF
no factor from 2^63 to 2^64