Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
700223687Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
19736936087269705579672270.72018-07-16 17:17:38
History
DateUserTypeResult
2018-07-16Daniil TsarkovF
Factor: 1973693608726970557967 / TF: 70-71
2011-09-27monstNF
no factor from 2^66 to 2^70
2011-09-06monstNF
no factor from 2^65 to 2^66
2010-03-20monstNF
no factor from 2^64 to 2^65
2010-03-20monstNF
no factor from 2^63 to 2^64