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

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MnStatusDetails
197454683Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
823751858249801810472066.22015-09-18 23:55:20
History
DateUserTypeResult
2015-09-18demfloroF
Factor: 82375185824980181047 / TF: 66-68
2013-07-12RichardNF
no factor from 2^65 to 2^66
2011-04-24Pool PartyNF
no factor from 2^64 to 2^65
2010-08-08Torchwood InstituteNF
no factor from 2^63 to 2^64