Marin Mersenne 2^P-1
Username
Password
Forgot password?
Blue
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
661189481Factored
FactorDigitsBitsDate
5316392459857207490392168.82018-02-14 16:54:14
History
DateUserTypeResult
2018-02-14ConductorF
Factor: 531639245985720749039 / TF: 68-69
2017-02-16sasakiNF
no factor from 2^67 to 2^68
2017-02-16sasakiNF
no factor from 2^67 to 2^68
2014-03-26sasakiNF
no factor from 2^66 to 2^67
2013-12-18sasakiNF
no factor from 2^65 to 2^66
2012-01-23tscNF
no factor from 2^64 to 2^65
2010-06-17Architects CubedNF
no factor from 2^63 to 2^64