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
991002283Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
47089714809028080599592272.02016-12-20 17:42:10
History
DateUserTypeResult
2016-12-20ConductorF
Factor: 4708971480902808059959 / TF: 71-72
2013-10-02ramgeisNF
no factor from 2^67 to 2^71
2012-03-06lindeeNF
no factor from 2^66 to 2^67
2011-05-19lindeeNF
no factor from 2^65 to 2^66
2010-09-11lindedNF
no factor from 2^64 to 2^65