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
243449119Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2653597296996400605532167.82016-10-10 13:39:03
History
DateUserTypeResult
2016-10-10Mikhail E. GolosovF
Factor: 265359729699640060553 / TF: 67-68
2015-12-05Alex_soldierNF
no factor from 2^66 to 2^67
2013-10-22Son JohanNF
no factor from 2^65 to 2^66
2011-07-14Jud McCranieNF
no factor from 2^64 to 2^65