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
191715661Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5522979154171314017112168.92015-09-02 00:55:34
History
DateUserTypeResult
2015-09-02demfloroF
Factor: 552297915417131401711 / TF: 68-69
2015-09-02demfloroNF
no factor from 2^66 to 2^68
2013-06-10sasaki3NF
no factor from 2^65 to 2^66
2011-04-13sasaki3NF
no factor from 2^64 to 2^65
2010-08-04Architects CubedNF
no factor from 2^63 to 2^64