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
977887613Composite: 3 known prime factors
Factored
FactorDigitsBitsDate
19010135196731340.82008-06-01 01:55:14
6158913125658696231859.12015-10-26 12:23:21
18513292014082186011960.72015-12-29 08:32:04
History
DateUserTypeResult
2015-12-29ConductorF
Factor: 1851329201408218601 / TF: 1-62
2015-10-26TJAOIF
Factor: 615891312565869623 / TF: 59-60