647 983 327 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite: 2 known prime factors

Factored

Factor	Digits	Bits	Date
244409073446744960423	21	67.7	2016-09-19 04:15:45
507225608093374910833	21	68.8	2016-09-19 04:15:45

History

Date	User	Type	Result
2016-09-19	Nipal	F	Factor: 244409073446744960423 / TF: 67-70
2016-09-19	Nipal	F	Factor: 507225608093374910833 / TF: 67-70
2014-06-19	sasaki	NF	no factor from 2^66 to 2^67
2014-03-19	america64	NF	no factor from 2^65 to 2^66

Username
Password