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
102187243Factored
FactorDigitsBitsDate
5639996514670195599130072478.92021-01-13 17:41:54
P-1 factors
DateFactorB1B2
2021-01-1356399965146701955991300785000017850000
History
DateUserTypeResult
2021-01-13Ben DeloF-PM1
Factor: 563999651467019559913007 / (P-1, B1=850000, B2=17850000, E=12)
2020-10-22Mark RoseNF
no factor from 2^75 to 2^76
2020-10-21ixfd64NF
no factor from 2^74 to 2^75
2020-03-31SRBaseNF
no factor from 2^73 to 2^74
2020-03-28SRBaseNF
no factor from 2^72 to 2^73
2014-12-08shaugeNF
no factor from 2^71 to 2^72
2014-07-08symalladNF
no factor from 2^70 to 2^71
2014-04-30SWL551NF
no factor from 2^69 to 2^70
2013-10-02ANONYMOUSNF
no factor from 2^68 to 2^69
2013-09-29SMoffatNF
no factor from 2^67 to 2^68
2013-09-07processinfoNF
no factor from 2^66 to 2^67
2012-04-24-Anonymous-NF
no factor from 2^65 to 2^66
2010-08-17Architects CubedNF
no factor from 2^64 to 2^65
2010-05-021997rj7NF
no factor from 2^63 to 2^64