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
319055573Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4925319507953708809672168.72016-12-14 11:21:02
History
DateUserTypeResult
2016-12-14SarnetskyF
Factor: 492531950795370880967 / TF: 67-69
2016-02-26rmaximusNF
no factor from 2^66 to 2^67
2014-07-31RichardNF
no factor from 2^65 to 2^66
2011-11-03GIMP PhilippinesNF
no factor from 2^64 to 2^65