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
316218809Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
406275668449934448792065.12014-01-23 23:44:46
History
DateUserTypeResult
2014-01-23NickF
Factor: 40627566844993444879
2011-11-01RichardNF
no factor from 2^64 to 2^65