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
687344971Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5515057322414669367832168.92018-07-04 21:16:20
History
DateUserTypeResult
2018-07-04ConductorF
Factor: 551505732241466936783 / TF: 68-69
2016-11-20NoPolarBearsHereNF
no factor from 2^67 to 2^68
2014-08-11sasakiNF
no factor from 2^66 to 2^67
2014-02-11america64NF
no factor from 2^65 to 2^66
2011-12-29america64NF
no factor from 2^64 to 2^65
2010-03-10James HintzNF
no factor from 2^63 to 2^64