495 494 443 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite: 1 known prime factor

Trial Factored to 2⁷⁶

TF target 2⁸²

Factored

Factor	Digits	Bits	Date
68285763339615056400463	23	75.9	2025-03-26 23:57:01

History

Date	User	Type	Result
2025-03-26	NStorm	F	Factor: 68285763339615056400463 / TF: 75-76
2024-01-01	SRBase	NF	no factor TF: 74-75
2022-07-06	SRBase	NF	no factor TF: 73-74
2021-03-09	SRBase	NF	no factor TF: 72-73
2020-08-23	SRBase	NF	no factor TF: 71-72
2020-06-04	SRBase	NF	no factor TF: 70-71
2018-03-23	sasaki	NF	no factor TF: 68-70
2016-05-07	sasaki	NF	no factor TF: 67-68
2016-04-06	sasaki	NF	no factor TF: 66-67
2014-10-29	Massimo Cappelli (ik5pwa)	NF	no factor TF: 65-66
2011-12-20	LingUaan	NF	no factor TF: 64-65
2010-04-05	Architects Cubed	NF	no factor TF: 63-64