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
977320979Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
234557034971134.42008-06-01 01:34:15
42826693882083821691961.92015-12-23 16:29:18
History
DateUserTypeResult
2015-12-23ConductorF
Factor: 4282669388208382169 / TF: 1-62