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
977134429Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
565069941721631271755.62008-06-11 00:19:30
43871144032319621531961.92015-12-23 14:45:15
History
DateUserTypeResult
2015-12-23ConductorF
Factor: 4387114403231962153 / TF: 1-62