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
700121837Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
19890713234588786520732270.82018-07-05 08:25:13
History
DateUserTypeResult
2018-07-05Daniil TsarkovF
Factor: 1989071323458878652073 / TF: 70-71
2011-09-15monstNF
no factor from 2^67 to 2^70
2011-02-20monstNF
no factor from 2^66 to 2^67
2011-02-20monstNF
no factor from 2^65 to 2^66
2010-03-14monstNF
no factor from 2^64 to 2^65
2010-03-14monstNF
no factor from 2^63 to 2^64