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
977023501Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
3734497074096890631858.42008-05-27 23:18:02
18470397536430562811960.72015-12-22 19:35:39
History
DateUserTypeResult
2015-12-22ConductorF
Factor: 1847039753643056281 / TF: 1-62