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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
277102349Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
12255395194820160520072270.12019-06-22 20:22:16
History
DateUserTypeResult
2019-06-22ConductorF
Factor: 1225539519482016052007 / TF: 70-71
2019-06-22ConductorNF
no factor from 2^69 to 2^70
2018-07-08Chabot PrimeNF
no factor from 2^68 to 2^69
2016-11-05subgeniusNF
no factor from 2^67 to 2^68
2016-01-13rmaximusNF
no factor from 2^66 to 2^67
2013-12-06GrunwalderGIMPNF
no factor from 2^65 to 2^66
2011-09-08HBendtzNF
no factor from 2^64 to 2^65
2010-04-03rabbutNF
no factor from 2^63 to 2^64
2010-04-03rabbutNF
no factor from 2^62 to 2^63