623 998 127 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
641263329729399664337	21	69.1	2018-06-18 01:55:30

History

Date	User	Type	Result
2025-03-18	James Heinrich	F	Factor: 641263329729399664337 / TF: 69-70
2018-06-18	Alex_soldier	F	Factor: 641263329729399664337 / TF: 69-70*
2017-03-21	sasaki	NF	no factor from 2^68 to 2^69
2017-02-01	sasaki	NF	no factor from 2^67 to 2^68
2014-04-04	sasaki	NF	no factor from 2^65 to 2^67

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