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

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MnStatusDetails
117198761Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
21292778890141564669480420072890.82023-03-08 07:57:41
P-1 factors
DateFactorB1B2
2023-03-082129277889014156466948042007590000590000
History
DateUserTypeResult
2023-03-08Smok_bmv F-PM1
Factor: 2129277889014156466948042007 / (P-1, B1=590000)
2022-05-08TheJudgerNF
no factor from 2^76 to 2^77
2021-06-30TheJudgerNF
no factor from 2^75 to 2^76
2021-01-14hktNF
no factor from 2^74 to 2^75
2020-02-13Niels_Mache_NextcloudNF
no factor from 2^73 to 2^74
2020-02-13Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2015-04-09junkcalcNF
no factor from 2^71 to 2^72
2015-04-06junkcalcNF
no factor from 2^70 to 2^71
2015-04-01junkcalcNF
no factor from 2^69 to 2^70
2015-03-31junkcalcNF
no factor from 2^68 to 2^69
2015-03-28Josh FamestadNF
no factor from 2^67 to 2^68
2014-12-18RichardNF
no factor from 2^66 to 2^67
2012-07-04tscNF
no factor from 2^65 to 2^66
2010-10-10Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-05-11sasaki3NF
no factor from 2^63 to 2^64