647 767 391 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
341249444628939498593	21	68.2	2016-09-14 03:45:38
1074313243752243694721	22	69.9	2016-09-14 03:45:38

History

Date	User	Type	Result
2016-09-14	Nipal	F	Factor: 341249444628939498593 / TF: 67-70
2016-09-14	Nipal	F	Factor: 1074313243752243694721 / TF: 67-70
2014-06-14	sasaki	NF	no factor from 2^66 to 2^67
2014-03-19	america64	NF	no factor from 2^65 to 2^66

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