564 007 447 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
193779595927704433313	21	67.4	2016-11-13 16:27:34

History

Date	User	Type	Result
2016-11-13	Conductor	F	Factor: 193779595927704433313 / TF: 67-68
2015-11-07	sasaki	NF	no factor from 2^66 to 2^67
2014-06-27	sasaki	NF	no factor from 2^65 to 2^66
2011-09-18	Architects Cubed	NF	no factor from 2^64 to 2^65
2010-03-11	Architects Cubed	NF	no factor from 2^63 to 2^64

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