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
911121553Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
784576975088818912092066.12015-11-22 11:18:54
History
DateUserTypeResult
2015-11-22ConductorF
Factor: 78457697508881891209 / TF: 66-67
2013-05-02ramgeisNF
no factor from 2^65 to 2^66
2011-11-04lindedNF
no factor from 2^64 to 2^65
2010-06-30lindedNF
no factor from 2^63 to 2^64