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

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MnStatusDetails
207680353Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
10307596664960954402872269.82015-10-18 10:55:22
History
DateUserTypeResult
2015-10-18demfloroF
Factor: 1030759666496095440287 / TF: 69-70
2015-10-18demfloroNF
no factor from 2^68 to 2^69
2015-10-09demfloroNF
no factor from 2^66 to 2^68
2013-08-04subgeniusNF
no factor from 2^65 to 2^66
2011-05-11Charles A. MorrisNF
no factor from 2^64 to 2^65