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
260261783Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
8337800478095122166892169.52018-06-25 16:28:30
History
DateUserTypeResult
2018-06-30ANONYMOUSNF
no factor from 2^68 to 2^69
2018-06-25YxinityF
Factor: 833780047809512216689 / TF: 69-70
2018-06-25YxinityNF
no factor from 2^68 to 2^69
2016-07-11XZTNF
no factor from 2^67 to 2^68
2015-12-21Robert FolzNF
no factor from 2^66 to 2^67
2014-05-21KAMCOBILLNF
no factor from 2^65 to 2^66
2011-08-11mmNF
no factor from 2^64 to 2^65
2010-03-13sasaki3NF
no factor from 2^63 to 2^64
2010-03-13sasaki3NF
no factor from 2^62 to 2^63