647 590 819 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
259826826844068095761	21	67.8	2016-09-19 06:06:29
802099995148171492511	21	69.4	2016-09-19 06:06:29

History

Date	User	Type	Result
2016-09-19	Nipal	F	Factor: 802099995148171492511 / TF: 67-70
2016-09-19	Nipal	F	Factor: 259826826844068095761 / TF: 67-70
2014-06-17	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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