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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
681497249Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4078484497474860119772168.52018-06-02 16:26:04
History
DateUserTypeResult
2018-06-02ConductorF
Factor: 407848449747486011977 / TF: 68-69
2016-10-18sasakiNF
no factor from 2^67 to 2^68
2014-04-12abcNF
no factor from 2^66 to 2^67
2014-01-23sasakiNF
no factor from 2^65 to 2^66