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

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MnStatusDetails
99639283Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
72096286007656553407213692582.62020-07-16 13:40:10
P-1 factors
DateFactorB1B2
2020-07-16720962860076565534072136977500015306250
History
DateUserTypeResult
2020-07-16ky0urakuF-PM1
Factor: 7209628600765655340721369 / (P-1, B1=775000, B2=15306250, E=12)
2020-07-14ChuckNF
no factor from 2^76 to 2^77
2020-07-06linamentNF
no factor from 2^75 to 2^76
2020-03-26BytesInFlamesNF
no factor from 2^74 to 2^75
2019-12-17Hans LoeblichNF
no factor from 2^73 to 2^74
2019-03-31Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2017-02-09monstNF
no factor from 2^71 to 2^72
2014-05-24driveByUpgradesNF
no factor from 2^70 to 2^71
2014-05-19David BarleyNF
no factor from 2^69 to 2^70
2013-08-28processinfoNF
no factor from 2^68 to 2^69
2013-08-18PascalBieriNF
no factor from 2^67 to 2^68
2013-08-16america64NF
no factor from 2^66 to 2^67
2012-09-14Jimmy BrüggemannNF
no factor from 2^65 to 2^66
2010-10-041997rj7NF
no factor from 2^64 to 2^65