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
171769261Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
17809032054989570054572270.62018-03-09 09:24:06
History
DateUserTypeResult
2018-03-09Daniil TsarkovF
Factor: 1780903205498957005457 / TF: 70-71
2016-10-22Mihai PredaNF
no factor from 2^69 to 2^70
2016-08-29Adam BuranNF
no factor from 2^68 to 2^69
2016-04-24XZTNF
no factor from 2^67 to 2^68
2015-06-19OS1NF
no factor from 2^66 to 2^67
2013-04-03firereddNF
no factor from 2^65 to 2^66
2011-02-26sasaki3NF
no factor from 2^64 to 2^65
2010-07-11Charles A. MorrisNF
no factor from 2^63 to 2^64