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

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MnStatusDetails
127813381Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
680267777438816247796108812685.82024-07-21 18:52:32
P-1 factors
DateFactorB1B2
2024-07-216802677774388162477961088111140001466203200
History
DateUserTypeResult
2024-07-21Luke DurantF-PM1
Factor: 68026777743881624779610881 / (P-1, B1=1114000, B2=1466203200)
2022-12-29TravisJankNF
no factor from 2^76 to 2^77
2022-12-29TravisJankNF
no factor from 2^75 to 2^76
2022-12-29TravisJankNF
no factor from 2^74 to 2^75
2021-07-13SRBaseNF
no factor from 2^73 to 2^74
2020-10-23SRBaseNF
no factor from 2^72 to 2^73
2016-04-28DerekNF
no factor from 2^71 to 2^72
2016-04-28DerekNF
no factor from 2^70 to 2^71
2016-04-28David BarleyNF
no factor from 2^69 to 2^70
2016-03-02proxy2222NF
no factor from 2^68 to 2^69
2015-10-03el groccoNF
no factor from 2^67 to 2^68
2015-01-08vwflat4NF
no factor from 2^66 to 2^67
2012-10-01RichardNF
no factor from 2^65 to 2^66
2010-11-06sasaki3NF
no factor from 2^64 to 2^65
2010-05-28Torchwood InstituteNF
no factor from 2^63 to 2^64