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

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MnStatusDetails
398190389Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
507077364549633817212065.52014-06-05 12:35:42
971826514224631016872066.42020-03-05 11:35:20
History
DateUserTypeResult
2020-03-05TJAOIF
Factor: 97182651422463101687 / TF: 66-67
2014-06-05NickF
Factor: 50707736454963381721
2010-05-09Architects CubedNF
no factor from 2^64 to 2^65