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
257328739Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
880436731250327362632066.32015-12-18 15:56:18
History
DateUserTypeResult
2015-12-18ConductorF
Factor: 88043673125032736263 / TF: 66-67
2014-02-16tscNF
no factor from 2^65 to 2^66
2011-08-07RichardNF
no factor from 2^64 to 2^65
2010-03-09Nathan SlavenNF
no factor from 2^63 to 2^64
2010-03-09Nathan SlavenNF
no factor from 2^62 to 2^63