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
918505837Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2207488993001854441372167.62016-09-10 17:01:15
History
DateUserTypeResult
2016-09-10Alex_soldierF
Factor: 220748899300185444137 / TF: 67-68*
2015-10-04Alex_soldierNF
no factor from 2^66 to 2^67
2013-05-29ramgeisNF
no factor from 2^65 to 2^66
2011-09-16lindedNF
no factor from 2^64 to 2^65
2010-07-20lindedNF
no factor from 2^63 to 2^64