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
559002083Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
41916496894294962564972271.82020-02-01 19:21:42
History
DateUserTypeResult
2025-04-06James HeinrichF
Factor: 4191649689429496256497 / TF: 71-72
2020-02-01Smok_bmv F
Factor: 4191649689429496256497 / TF: 71-72*
2018-02-18mikrNF
no factor from 2^70 to 2^71
2017-09-26YxinityNF
no factor from 2^69 to 2^70
2017-08-07Alex_soldierNF
no factor from 2^68 to 2^69
2016-11-09ConductorNF
no factor from 2^67 to 2^68
2015-12-04sasakiNF
no factor from 2^66 to 2^67
2014-10-03sasakiNF
no factor from 2^65 to 2^66
2012-01-06sasaki3NF
no factor from 2^64 to 2^65