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
977452381Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
111837911940686571753.32008-05-30 06:14:59
43001822977089227531961.92015-12-23 16:54:08
History
DateUserTypeResult
2015-12-23ConductorF
Factor: 4300182297708922753 / TF: 1-62