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
194964971Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
851139372001369079272066.22015-09-11 00:55:12
History
DateUserTypeResult
2015-09-11demfloroF
Factor: 85113937200136907927 / TF: 66-68
2013-06-22GnorfeNF
no factor from 2^65 to 2^66
2011-04-21RichardNF
no factor from 2^64 to 2^65
2010-08-06sasaki3NF
no factor from 2^63 to 2^64