Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
399207169Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2107065265264323036412167.52016-11-06 17:13:29
History
DateUserTypeResult
2016-11-06ConductorF
Factor: 210706526526432303641 / TF: 67-68
2016-03-29E.LechnerNF
no factor from 2^66 to 2^67
2014-06-06Klaus NordmannNF
no factor from 2^65 to 2^66
2010-05-10Architects CubedNF
no factor from 2^64 to 2^65