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
977105123Composite: 3 known prime factors
Factored
FactorDigitsBitsDate
1719705016491237.32008-06-01 01:24:31
32439890083611341.62008-06-01 01:24:31
15502254528304843931960.42015-12-23 14:40:04
History
DateUserTypeResult
2015-12-23ConductorF
Factor: 1550225452830484393 / TF: 1-62