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
977180123Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
618489370898336871755.82008-06-11 00:40:35
27166656129108003611961.22015-12-23 15:59:38
History
DateUserTypeResult
2015-12-23ConductorF
Factor: 2716665612910800361 / TF: 1-62