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

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MnStatusDetails
208550261Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
6031726153923518748892169.02015-10-13 08:55:10
History
DateUserTypeResult
2015-10-13demfloroF
Factor: 603172615392351874889 / TF: 69-70
2015-10-13demfloroNF
no factor from 2^68 to 2^69
2015-10-13demfloroNF
no factor from 2^66 to 2^68
2013-08-06tscNF
no factor from 2^65 to 2^66
2011-05-17subgeniusNF
no factor from 2^64 to 2^65