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
919933373Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
972022222604727811672066.42015-10-18 16:05:59
History
DateUserTypeResult
2015-10-18ConductorF
Factor: 97202222260472781167 / TF: 66-67
2013-05-26ramgeisNF
no factor from 2^65 to 2^66
2011-09-08lindedNF
no factor from 2^64 to 2^65
2010-06-21lindedNF
no factor from 2^63 to 2^64