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
192975227Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
28833963608856468974812271.32015-09-07 03:55:40
History
DateUserTypeResult
2015-09-07demfloroF
Factor: 2883396360885646897481 / TF: 71-72
2015-09-07demfloroNF
no factor from 2^70 to 2^71
2015-09-07demfloroNF
no factor from 2^69 to 2^70
2015-09-07demfloroNF
no factor from 2^68 to 2^69
2015-09-07demfloroNF
no factor from 2^66 to 2^68
2013-06-15Massimo Cappelli (ik5pwa)NF
no factor from 2^65 to 2^66
2011-04-16sasaki3NF
no factor from 2^64 to 2^65
2010-08-04MarzbugNF
no factor from 2^63 to 2^64