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
977590291Composite: 3 known prime factors
Factored
FactorDigitsBitsDate
7136409124311239.42008-06-01 06:22:14
6725606132215991549.32014-04-25 10:38:50
38835809382575110811961.82015-12-23 17:45:46
History
DateUserTypeResult
2015-12-23ConductorF
Factor: 3883580938257511081 / TF: 1-62
2014-04-25TJAOIF
Factor: 672560613221599