399 989 059 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
213047245179428601257	21	67.5	2016-09-09 00:33:21

History

Date	User	Type	Result
2016-09-09	Alex_soldier	F	Factor: 213047245179428601257 / TF: 67-68*
2016-04-09	Derek	NF	no factor from 2^66 to 2^67
2014-06-09	Richard	NF	no factor from 2^65 to 2^66
2010-05-11	Architects Cubed	NF	no factor from 2^64 to 2^65

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