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
178398071Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
559814053177875615593032375.62024-10-01 19:32:52
History
DateUserTypeResult
2025-06-03GregF
Factor: 55981405317787561559303 / TF: 75-76
2024-10-01SRBaseF
Factor: 55981405317787561559303 / TF: 75-76*
2023-04-07SRBaseNF
no factor from 2^74 to 2^75
2019-03-10SRS TechnologyNF
no factor from 2^73 to 2^74
2019-03-10SRS TechnologyNF
no factor from 2^72 to 2^73
2018-06-11Choi4KANGNF
no factor from 2^71 to 2^72
2018-04-08The_MatrixNF
no factor from 2^70 to 2^71
2018-03-26The_MatrixNF
no factor from 2^69 to 2^70
2017-05-22Andrew BNF
no factor from 2^68 to 2^69
2016-06-25Dave BellNF
no factor from 2^67 to 2^68
2015-07-16SADMASTERNF
no factor from 2^66 to 2^67
2013-04-28RichardNF
no factor from 2^65 to 2^66
2011-03-15OS1NF
no factor from 2^64 to 2^65
2010-07-19Architects CubedNF
no factor from 2^63 to 2^64