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
977563859Composite: 3 known prime factors
Factored
FactorDigitsBitsDate
312820434891134.92008-06-11 00:38:04
8456254453665944231859.62015-11-27 12:46:29
17017714701311734871960.62015-12-23 17:37:42
History
DateUserTypeResult
2015-12-23ConductorF
Factor: 1701771470131173487 / TF: 1-62
2015-11-27TJAOIF
Factor: 845625445366594423 / TF: 59-60