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
916582721Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
855673641700478001372066.22015-11-24 00:57:15
History
DateUserTypeResult
2015-11-24Alex_soldierF
Factor: 85567364170047800137 / TF: 66-67
2013-05-06ramgeisNF
no factor from 2^65 to 2^66
2011-09-29lindedNF
no factor from 2^64 to 2^65
2010-07-02garoNF
no factor from 2^63 to 2^64