Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
490715371Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
426744122229339341869512375.22025-09-15 08:17:11
History
DateUserTypeResult
2025-09-15SRBaseF
Factor: 42674412222933934186951 / TF: 75-76
2023-12-29SRBaseNF
no factor from 2^74 to 2^75
2022-07-02SRBaseNF
no factor from 2^73 to 2^74
2021-03-07SRBaseNF
no factor from 2^72 to 2^73
2020-08-23SRBaseNF
no factor from 2^71 to 2^72
2020-05-31SRBaseNF
no factor from 2^70 to 2^71
2018-05-28sasakiNF
no factor from 2^69 to 2^70
2018-03-10sasakiNF
no factor from 2^68 to 2^69
2014-06-15The MawnNF
no factor from 2^66 to 2^68
2011-10-17delta_tNF
no factor from 2^65 to 2^66
2010-03-03sasaki3NF
no factor from 2^64 to 2^65
2010-03-03sasaki3NF
no factor from 2^63 to 2^64