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
208532371Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
14747697480401074058572270.32015-10-12 07:55:07
History
DateUserTypeResult
2015-10-12demfloroF
Factor: 1474769748040107405857 / TF: 70-71
2015-10-12demfloroNF
no factor from 2^69 to 2^70
2015-10-12demfloroNF
no factor from 2^68 to 2^69
2015-10-12demfloroNF
no factor from 2^66 to 2^68
2013-08-06OS1NF
no factor from 2^65 to 2^66
2011-06-01RichardNF
no factor from 2^64 to 2^65