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
447556309Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
6558632624476069206012169.22019-02-15 04:51:38
History
DateUserTypeResult
2022-03-03James HeinrichNF
no factor from 2^64 to 2^65
2019-02-15ConductorF
Factor: 655863262447606920601 / TF: 69-70
2018-01-31sasakiNF
no factor from 2^68 to 2^69
2016-01-27sasakiNF
no factor from 2^66 to 2^68
2014-09-04RichardNF
no factor from 2^65 to 2^66