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
943217981Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1771204373364205763512167.32016-10-04 12:28:31
History
DateUserTypeResult
2016-10-04ConductorF
Factor: 177120437336420576351 / TF: 67-68
2015-09-11Bruno VictalNF
no factor from 2^66 to 2^67
2013-06-12ramgeisNF
no factor from 2^65 to 2^66
2011-06-11lindedNF
no factor from 2^64 to 2^65
2010-05-15lindedNF
no factor from 2^63 to 2^64