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
181156531Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
28935844070410874583672271.32019-04-30 04:29:27
History
DateUserTypeResult
2019-04-30Smok_bmv F
Factor: 2893584407041087458367 / TF: 71-72*
2019-04-26Stefan SeidelNF
no factor from 2^70 to 2^71
2018-10-04daniel horacioNF
no factor from 2^69 to 2^70
2017-07-08Mr-PlonkNF
no factor from 2^68 to 2^69
2016-07-05OS1NF
no factor from 2^67 to 2^68
2015-07-27vwflat4NF
no factor from 2^66 to 2^67
2013-05-05sasaki3NF
no factor from 2^65 to 2^66
2011-03-24RichardNF
no factor from 2^64 to 2^65
2010-07-23oodairaNF
no factor from 2^63 to 2^64