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

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MnStatusDetails
169749263Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
39988664307511796025132271.82016-10-12 01:41:45
History
DateUserTypeResult
2016-10-12Sergey NosovF
Factor: 3998866430751179602513 / TF: 68-72*
2016-03-21XZTNF
no factor from 2^67 to 2^68
2015-08-10vwflat4NF
no factor from 2^66 to 2^67
2013-03-29RichardNF
no factor from 2^65 to 2^66
2011-02-20SaraNF
no factor from 2^64 to 2^65
2010-07-09Charles A. MorrisNF
no factor from 2^63 to 2^64