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

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MnStatusDetails
102745261Factored
FactorDigitsBitsDate
1610448311532268568432332477.12021-02-22 03:58:53
P-1 factors
DateFactorB1B2
2021-02-2216104483115322685684323385500017955000
History
DateUserTypeResult
2021-02-22Ben DeloF-PM1
Factor: 161044831153226856843233 / (P-1, B1=855000, B2=17955000, E=12)
2020-11-19DRobinsonPENF
no factor from 2^75 to 2^76
2020-11-18lobsterfordinnerNF
no factor from 2^74 to 2^75
2020-03-30SRBaseNF
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
2014-05-09greg3llNF
no factor from 2^70 to 2^71
2014-05-06-Anonymous-NF
no factor from 2^69 to 2^70
2014-05-02-Anonymous-NF
no factor from 2^68 to 2^69
2014-04-30Stef42NF
no factor from 2^67 to 2^68
2013-08-28RobishNF
no factor from 2^66 to 2^67
2012-06-23ALSNF
no factor from 2^65 to 2^66
2010-08-20Cedric VonckNF
no factor from 2^64 to 2^65
2010-04-241997rj7NF
no factor from 2^63 to 2^64