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
911231239Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2626039665149007904732167.82015-12-04 19:13:55
History
DateUserTypeResult
2015-12-04ConductorF
Factor: 262603966514900790473 / TF: 67-68
2015-03-15BJBNF
no factor from 2^66 to 2^67
2011-10-24laleraNF
no factor from 2^64 to 2^66
2010-06-30lindedNF
no factor from 2^63 to 2^64