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
977291411Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
19545828231030.92008-06-01 01:32:57
12481721343889311371960.12015-12-23 16:22:57
History
DateUserTypeResult
2015-12-23ConductorF
Factor: 1248172134388931137 / TF: 1-62