921 009 319 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite: 1 known prime factor

Trial Factored to 2⁶⁸

TF target 2⁸⁵

Factored

Factor	Digits	Bits	Date
81596391094898991161	20	66.1	2015-04-22 21:04:06

History

Date	User	Type	Result
2015-09-03	Andres Aitsen	F	Factor: 81596391094898991161 / TF: 66-67*
2013-05-22	ramgeis	NF	no factor TF: 65-66
2011-06-26	lycorn	NF	no factor TF: 64-65
2010-06-14	linded	NF	no factor TF: 63-64

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