658 754 531 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
621644849787129056113	21	69.1	2016-10-27 04:28:07
730611507230600025361	21	69.3	2016-10-27 04:28:06

History

Date	User	Type	Result
2016-10-27	Nipal	F	Factor: 621644849787129056113 / TF: 67-70
2016-10-27	Nipal	F	Factor: 730611507230600025361 / TF: 67-70
2014-07-03	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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