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
977589671Composite: 3 known prime factors
Factored
FactorDigitsBitsDate
78207173691032.92008-06-01 06:22:13
3177059756165100491858.12015-08-13 11:08:16
16828608390181183511960.52015-12-23 17:45:38
History
DateUserTypeResult
2015-12-23ConductorF
Factor: 1682860839018118351 / TF: 1-62
2015-08-13TJAOIF
Factor: 317705975616510049 / TF: 58-59