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

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MnStatusDetails
102741131Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2049924184566308885899032477.42021-02-21 08:34:12
P-1 factors
DateFactorB1B2
2021-02-212049924184566308885899038550000
History
DateUserTypeResult
2021-02-21Ben DeloF-PM1
Factor: 204992418456630888589903 / (P-1, B1=855000)
2020-10-30RichD0NF
no factor from 2^75 to 2^76
2020-10-30RichD0NF
no factor from 2^74 to 2^75
2020-03-31SRBaseNF
no factor from 2^73 to 2^74
2020-02-21el groccoNF
no factor from 2^72 to 2^73
2014-12-25Quantum SingularityNF
no factor from 2^71 to 2^72
2014-06-18tmorrowNF
no factor from 2^70 to 2^71
2014-05-25Brad CrockettNF
no factor from 2^69 to 2^70
2014-05-11SatanNF
no factor from 2^68 to 2^69
2014-05-10NoWhereManNF
no factor from 2^67 to 2^68
2014-05-05g0bNF
no factor from 2^66 to 2^67
2012-04-28RichardNF
no factor from 2^65 to 2^66
2010-08-20hustensaftNF
no factor from 2^64 to 2^65
2010-04-231997rj7NF
no factor from 2^63 to 2^64