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
977457709Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
8822542117651689371859.62009-11-26 15:33:29
18009438399438783371960.62015-12-23 16:55:12
History
DateUserTypeResult
2015-12-23ConductorF
Factor: 1800943839943878337 / TF: 1-62