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
99867301Factored
FactorDigitsBitsDate
12589632634907298261986572580.12020-08-08 01:54:30
P-1 factors
DateFactorB1B2
2020-08-08125896326349072982619865772500012506250
History
DateUserTypeResult
2020-08-08Jwb52zF-PM1
Factor: 1258963263490729826198657 / (P-1, B1=725000, B2=12506250)
2020-04-13SRBaseNF
no factor from 2^77 to 2^78
2020-02-12TheJudgerNF
no factor from 2^76 to 2^77
2020-02-12TheJudgerNF
no factor from 2^75 to 2^76
2020-02-12TheJudgerNF
no factor from 2^74 to 2^75
2019-12-16ixfd64NF
no factor from 2^73 to 2^74
2019-03-19Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2017-02-06monstNF
no factor from 2^71 to 2^72
2014-10-02Red RavenNF
no factor from 2^70 to 2^71
2014-08-25g0bNF
no factor from 2^69 to 2^70
2013-10-24arnaudNF
no factor from 2^68 to 2^69
2013-08-24processinfoNF
no factor from 2^67 to 2^68
2013-08-16Le ComteNF
no factor from 2^66 to 2^67
2012-06-26Jimmy BrüggemannNF
no factor from 2^65 to 2^66
2010-10-121997rj7NF
no factor from 2^64 to 2^65