691 123 249 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
485763511300783521887	21	68.7	2018-03-01 12:00:54

History

Date	User	Type	Result
2025-03-06	James Heinrich	F	Factor: 485763511300783521887 / TF: 68-70
2018-03-01	Alex_soldier	F	Factor: 485763511300783521887 / TF: 68-69*
2014-09-12	sasaki	NF	no factor from 2^66 to 2^68
2013-12-16	sasaki	NF	no factor from 2^65 to 2^66
2012-02-05	sasaki3	NF	no factor from 2^64 to 2^65
2010-06-26	Architects Cubed	NF	no factor from 2^63 to 2^64

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