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

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MnStatusDetails
219333539Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
378721906917440390472065.02013-08-19 17:11:31
History
DateUserTypeResult
2013-08-19NickF
Factor: 37872190691744039047
2011-06-02iwrayNF
no factor from 2^64 to 2^65