Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
98177647Factored
FactorDigitsBitsDate
1280184799265968538891891789995332103.32019-10-08 07:56:13
P-1 factors
DateFactorB1B2
2019-10-08128018479926596853889189178999539650000
History
DateUserTypeResult
2019-10-08Ryan PropperF-PM1
Factor: 12801847992659685388918917899953 / (P-1, B1=965000)
2019-05-16Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2018-10-21masserNF
no factor from 2^71 to 2^72
2014-02-22SMoffatNF
no factor from 2^70 to 2^71
2013-08-22ManpowreNF
no factor from 2^69 to 2^70
2013-08-22ManpowreNF
no factor from 2^68 to 2^69
2013-08-22ManpowreNF
no factor from 2^66 to 2^68
2013-07-25g0bNF
no factor from 2^65 to 2^66