918 875 389 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Composite: 1 known prime factor

Factored

Factor	Digits	Bits	Date
81314889256805862607	20	66.1	2015-10-12 20:17:17

History

Date	User	Type	Result
2015-10-12	Alex_soldier	F	Factor: 81314889256805862607 / TF: 66-67*
2013-05-22	ramgeis	NF	no factor from 2^65 to 2^66
2011-09-13	linded	NF	no factor from 2^64 to 2^65
2010-07-21	linded	NF	no factor from 2^63 to 2^64

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