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

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MnStatusDetails
198699937Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4121403137917982729692168.52015-09-25 13:55:18
History
DateUserTypeResult
2015-09-25demfloroF
Factor: 412140313791798272969 / TF: 68-69
2015-09-25demfloroNF
no factor from 2^66 to 2^68
2013-07-06GrunwalderGIMPNF
no factor from 2^65 to 2^66
2011-04-28EPFNF
no factor from 2^64 to 2^65
2010-09-031997rj7NF
no factor from 2^63 to 2^64