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
556834193Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5555792031160852628332168.92018-05-27 06:31:07
History
DateUserTypeResult
2018-05-27YxinityF
Factor: 555579203116085262833 / TF: 68-70
2016-11-15sasakiNF
no factor from 2^67 to 2^68
2015-11-30sasakiNF
no factor from 2^66 to 2^67
2014-09-13sasakiNF
no factor from 2^65 to 2^66
2012-01-05Mr-PlonkNF
no factor from 2^64 to 2^65