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
975075691Composite: 3 known prime factors
Factored
FactorDigitsBitsDate
640429713848811445.92008-06-01 22:57:20
586267847492292891755.72015-02-09 12:37:17
97348307413189145771963.12015-12-28 17:00:07
History
DateUserTypeResult
2015-12-28ConductorF
Factor: 9734830741318914577 / TF: 1-65
2015-02-09TJAOIF
Factor: 58626784749229289 / TF: 55-56