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
700194133Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
21219224989123934240572270.82018-07-05 08:26:06
History
DateUserTypeResult
2018-07-05Daniil TsarkovF
Factor: 2121922498912393424057 / TF: 70-71
2011-09-21monstNF
no factor from 2^69 to 2^70
2011-05-20monstNF
no factor from 2^65 to 2^69
2010-03-21monstNF
no factor from 2^64 to 2^65
2010-03-21monstNF
no factor from 2^63 to 2^64