Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
181572863Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1358308810547002407372166.92015-07-29 14:13:03
History
DateUserTypeResult
2015-07-29Alex_soldierF
Factor: 135830881054700240737 / TF: 66-67
2013-05-16GrunwalderGIMPNF
no factor from 2^65 to 2^66
2011-03-22sannerud.comNF
no factor from 2^64 to 2^65
2010-07-27RichardNF
no factor from 2^63 to 2^64