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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
153749419Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
55257020905658284757292272.22017-05-08 21:48:51
History
DateUserTypeResult
2017-05-08Sergey NosovF
Factor: 5525702090565828475729 / TF: 72-73*
2016-08-06Mihai PredaNF
no factor from 2^71 to 2^72
2016-06-24DerekNF
no factor from 2^70 to 2^71
2015-04-26La GüiraNF
no factor from 2^69 to 2^70
2015-04-26La GüiraNF
no factor from 2^68 to 2^69
2015-04-26La GüiraNF
no factor from 2^67 to 2^68
2015-04-05guruNF
no factor from 2^66 to 2^67
2013-01-28nextPrimeNF
no factor from 2^65 to 2^66
2011-01-20runeskNF
no factor from 2^64 to 2^65
2010-06-28RichardNF
no factor from 2^63 to 2^64