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
255418621Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
6053361732050280924972169.02018-06-14 17:50:01
History
DateUserTypeResult
2018-06-14YxinityF
Factor: 605336173205028092497 / TF: 69-70
2018-06-14YxinityNF
no factor from 2^68 to 2^69
2015-09-19caddrNF
no factor from 2^66 to 2^68
2013-11-12HardyP GermanyNF
no factor from 2^65 to 2^66
2011-08-05-Anonymous-NF
no factor from 2^64 to 2^65
2010-03-08Waldir Walter JuniorNF
no factor from 2^63 to 2^64
2010-03-08Waldir Walter JuniorNF
no factor from 2^62 to 2^63