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
977977361Composite: 3 known prime factors
Factored
FactorDigitsBitsDate
3990147632891238.52008-06-01 01:59:05
1401692996292513111857.02015-05-13 11:43:03
43545209515157912811961.92015-12-29 08:59:20
History
DateUserTypeResult
2015-12-29ConductorF
Factor: 4354520951515791281 / TF: 1-62
2015-05-13TJAOIF
Factor: 140169299629251311 / TF: 56-57