918 743 953 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
266616133505875779497	21	67.9	2016-09-22 21:34:54

History

Date	User	Type	Result
2016-09-22	Alex_soldier	F	Factor: 266616133505875779497 / TF: 67-68*
2015-10-08	Alex_soldier	NF	no factor from 2^66 to 2^67
2013-05-26	ramgeis	NF	no factor from 2^65 to 2^66
2011-09-15	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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