658 396 393 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
352083916450548499127	21	68.3	2016-10-31 16:31:27
430608271403330093209	21	68.5	2016-10-31 16:31:27

History

Date	User	Type	Result
2016-10-31	Nipal	F	Factor: 430608271403330093209 / TF: 67-70
2016-10-31	Nipal	F	Factor: 352083916450548499127 / TF: 67-70
2014-07-02	sasaki	NF	no factor from 2^66 to 2^67
2014-02-23	america64	NF	no factor from 2^65 to 2^66

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