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
313151183Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
38306495036107130516472271.72019-09-26 04:28:49
History
DateUserTypeResult
2025-04-24James HeinrichF
Factor: 3830649503610713051647 / TF: 71-72
2019-09-26Smok_bmv F
Factor: 3830649503610713051647 / TF: 71-72*
2019-09-26Smok_bmv NF
no factor from 2^70 to 2^71
2019-03-07sasakiNF
no factor from 2^69 to 2^70
2018-08-02Chabot PrimeNF
no factor from 2^68 to 2^69
2016-12-15tscNF
no factor from 2^67 to 2^68
2016-02-23sky_windhNF
no factor from 2^66 to 2^67
2014-01-21RichardNF
no factor from 2^65 to 2^66
2011-10-28RichardNF
no factor from 2^64 to 2^65