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
975072491Composite: 3 known prime factors
Factored
FactorDigitsBitsDate
19501449831030.92008-05-31 23:58:15
925714321505591446.42014-02-12 11:27:10
212255989043121408892064.22015-12-28 14:23:24
History
DateUserTypeResult
2015-12-28ConductorF
Factor: 21225598904312140889 / TF: 1-65
2014-02-12TJAOIF
Factor: 92571432150559