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
919789187Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
748793030762067647272066.02015-10-17 13:15:53
History
DateUserTypeResult
2015-10-17ConductorF
Factor: 74879303076206764727 / TF: 66-67
2013-05-28ramgeisNF
no factor from 2^65 to 2^66
2011-09-08lindedNF
no factor from 2^64 to 2^65
2010-06-18lindedNF
no factor from 2^63 to 2^64