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

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MnStatusDetails
693343961Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4280912468893480178892168.52017-10-12 19:50:54
History
DateUserTypeResult
2025-03-06James HeinrichF
Factor: 428091246889348017889 / TF: 68-70
2017-10-12Alex_soldierF
Factor: 428091246889348017889 / TF: 68-69*
2014-08-20sasakiNF
no factor from 2^66 to 2^68
2013-12-03sasakiNF
no factor from 2^65 to 2^66
2012-02-05Lukin DmitryNF
no factor from 2^64 to 2^65
2010-07-10Architects CubedNF
no factor from 2^63 to 2^64