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
977110163Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
19542203271030.92008-06-01 01:24:42
15805465252308768491960.52015-12-23 14:40:49
History
DateUserTypeResult
2015-12-23ConductorF
Factor: 1580546525230876849 / TF: 1-62