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
98820749Factored
FactorDigitsBitsDate
125702904933113964500684663127131100.02019-10-17 02:15:49
P-1 factors
DateFactorB1B2
2019-10-1712570290493311396450068466312719850000
History
DateUserTypeResult
2019-10-17Ryan PropperF-PM1
Factor: 1257029049331139645006846631271 / (P-1, B1=985000)
2019-03-27Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2018-12-23masserNF
no factor from 2^71 to 2^72
2014-10-05SMoffatNF
no factor from 2^70 to 2^71
2014-07-02Smok_bmv NF
no factor from 2^69 to 2^70
2014-06-22NoWhereManNF
no factor from 2^68 to 2^69
2014-04-16Carsten KossendeyNF
no factor from 2^67 to 2^68
2013-08-02SMoffatNF
no factor from 2^66 to 2^67
2013-07-29David CampeauNF
no factor from 2^65 to 2^66
2011-02-071997rj7NF
no factor from 2^64 to 2^65