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

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MnStatusDetails
189439927Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
21756174519034162724892270.92015-08-26 17:55:08
History
DateUserTypeResult
2015-08-26demfloroF
Factor: 2175617451903416272489 / TF: 70-71
2015-08-26demfloroNF
no factor from 2^69 to 2^70
2015-08-26demfloroNF
no factor from 2^68 to 2^69
2015-08-26demfloroNF
no factor from 2^66 to 2^68
2013-06-02subgeniusNF
no factor from 2^65 to 2^66
2011-04-10RichardNF
no factor from 2^64 to 2^65
2010-08-01Cedric VonckNF
no factor from 2^63 to 2^64