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

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MnStatusDetails
548104549Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
6581059328339774151532169.22018-05-02 21:04:46
History
DateUserTypeResult
2025-03-19James HeinrichF
Factor: 658105932833977415153 / TF: 69-70
2018-05-02Alex_soldierF
Factor: 658105932833977415153 / TF: 69-70*
2018-02-17sasakiNF
no factor from 2^68 to 2^69
2016-01-23sasakiNF
no factor from 2^67 to 2^68
2014-12-23abcNF
no factor from 2^66 to 2^67
2014-10-27sasakiNF
no factor from 2^65 to 2^66