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
155416337Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
408751128761734071882972375.12024-08-13 19:50:42
History
DateUserTypeResult
2025-06-06GregF
Factor: 40875112876173407188297 / TF: 75-76
2024-08-13SRBaseF
Factor: 40875112876173407188297 / TF: 75-76*
2023-02-18SRBaseNF
no factor from 2^74 to 2^75
2021-11-29SRBaseNF
no factor from 2^73 to 2^74
2017-11-29NaytanNF
no factor from 2^72 to 2^73
2017-07-22Will EdgingtonNF
no factor from 2^71 to 2^72
2017-07-22Will EdgingtonNF
no factor from 2^70 to 2^71
2017-02-15La GüiraNF
no factor from 2^69 to 2^70
2016-07-28Mihai PredaNF
no factor from 2^68 to 2^69
2016-05-06DerekNF
no factor from 2^67 to 2^68
2015-04-11guruNF
no factor from 2^66 to 2^67
2013-04-04Chih-Wei HuangNF
no factor from 2^65 to 2^66
2011-01-23debrouxlNF
no factor from 2^64 to 2^65