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
246006617Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
5092336971911238.92008-01-01 20:25:41
12809014806043254791960.22015-12-10 14:41:37
History
DateUserTypeResult
2015-12-10ConductorF
Factor: 1280901480604325479 / TF: 1-62