Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
444003941Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3186213946505268405672168.12017-05-09 15:20:38
History
DateUserTypeResult
2025-03-07James HeinrichF
Factor: 318621394650526840567 / TF: 68-70
2017-05-09Alex_soldierF
Factor: 318621394650526840567 / TF: 68-69*
2016-01-05sasakiNF
no factor from 2^66 to 2^68
2014-07-15HBendtzNF
no factor from 2^65 to 2^66
2011-11-23tscNF
no factor from 2^64 to 2^65
2010-03-21Architects CubedNF
no factor from 2^63 to 2^64