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

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MnStatusDetails
207221519Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
833834650621074438012066.22015-10-14 13:38:13
History
DateUserTypeResult
2015-10-14ConductorF
Factor: 83383465062107443801 / TF: 66-67
2013-08-07RichardNF
no factor from 2^65 to 2^66
2011-05-11Lukin DmitryNF
no factor from 2^64 to 2^65