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
977866429Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
2700612831626471547.92008-06-02 05:25:53
24987041976110419671961.12015-12-23 20:35:09
History
DateUserTypeResult
2015-12-23ConductorF
Factor: 2498704197611041967 / TF: 1-62