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

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MnStatusDetails
207100567Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
820651138559953286472066.22015-10-05 21:20:46
History
DateUserTypeResult
2015-10-05ConductorF
Factor: 82065113855995328647 / TF: 66-67
2013-08-03David CampeauNF
no factor from 2^65 to 2^66
2011-05-10Charles A. MorrisNF
no factor from 2^64 to 2^65