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

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MnStatusDetails
694531309Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4207591942019973863832168.52017-07-03 20:40:00
History
DateUserTypeResult
2017-07-03ConductorF
Factor: 420759194201997386383 / TF: 68-69
2014-08-27sasakiNF
no factor from 2^66 to 2^68
2013-12-08sasakiNF
no factor from 2^65 to 2^66
2012-02-06tscNF
no factor from 2^64 to 2^65
2010-06-24Architects CubedNF
no factor from 2^63 to 2^64