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
977842721Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
997399575431136.52008-06-01 01:53:19
11035814728021031111959.92015-12-23 20:29:44
History
DateUserTypeResult
2015-12-23ConductorF
Factor: 1103581472802103111 / TF: 1-62