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
711257887Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
19021971464991350661432270.72019-05-16 05:13:05
History
DateUserTypeResult
2019-05-16Daniil TsarkovF
Factor: 1902197146499135066143 / TF: 70-71
2014-07-18monstNF
no factor from 2^66 to 2^70
2011-10-23monstNF
no factor from 2^65 to 2^66
2010-12-24monstNF
no factor from 2^64 to 2^65
2010-07-20Architects CubedNF
no factor from 2^63 to 2^64