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

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MnStatusDetails
672567737Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
4721378890645000713532168.72018-04-06 12:21:27
4958703022647345753912168.72018-04-06 12:21:26
History
DateUserTypeResult
2018-04-06ConductorF
Factor: 472137889064500071353 / TF: 68-69
2018-04-06ConductorF
Factor: 495870302264734575391 / TF: 68-69
2017-01-07NoPolarBearsHereNF
no factor from 2^67 to 2^68
2014-07-09sasakiNF
no factor from 2^66 to 2^67
2013-12-24sasakiNF
no factor from 2^65 to 2^66