658 020 509 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite: 1 known prime factor

Factored

Factor	Digits	Bits	Date
155017785045495901729	21	67.1	2016-10-25 14:55:17

History

Date	User	Type	Result
2016-10-25	Nipal	F	Factor: 155017785045495901729 / TF: 67-70
2014-06-30	sasaki	NF	no factor from 2^66 to 2^67
2014-02-23	america64	NF	no factor from 2^65 to 2^66
2010-11-04	Architects Cubed	NF	no factor from 2^64 to 2^65
2010-07-21	Architects Cubed	NF	no factor from 2^63 to 2^64

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