944 955 881 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
247317491739279261073	21	67.7	2016-10-08 13:01:56

History

Date	User	Type	Result
2016-10-08	Conductor	F	Factor: 247317491739279261073 / TF: 67-68
2015-09-07	Bruno Victal	NF	no factor from 2^66 to 2^67
2013-06-12	ramgeis	NF	no factor from 2^65 to 2^66
2011-05-30	linded	NF	no factor from 2^64 to 2^65
2010-06-21	linded	NF	no factor from 2^63 to 2^64

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