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
243320569Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5639969778380487939112168.92018-06-01 16:05:49
History
DateUserTypeResult
2018-06-01YxinityF
Factor: 563996977838048793911 / TF: 68-69
2016-10-10XolotlNF
no factor from 2^67 to 2^68
2015-12-05ANONYMOUSNF
no factor from 2^66 to 2^67
2014-04-19tscNF
no factor from 2^65 to 2^66
2011-07-14DerekNF
no factor from 2^64 to 2^65