485 144 449 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
66143439464830841316649	23	75.8	2025-03-14 09:48:07

History

Date	User	Type	Result
2025-03-14	NStorm	F	Factor: 66143439464830841316649 / TF: 75-76
2023-12-26	SRBase	NF	no factor TF: 74-75
2022-06-28	SRBase	NF	no factor TF: 73-74
2021-03-05	SRBase	NF	no factor TF: 72-73
2020-08-21	SRBase	NF	no factor TF: 71-72
2020-06-01	SRBase	NF	no factor TF: 70-71
2018-12-26	Niels_Mache_Nextcloud	NF	no factor TF: 69-70
2018-04-23	sasaki	NF	no factor TF: 68-69
2016-06-29	sasaki	NF	no factor TF: 67-68
2016-03-23	sasaki	NF	no factor TF: 66-67
2014-10-19	-anonymous-	NF	no factor TF: 65-66
2011-12-15	OS1	NF	no factor TF: 64-65
2010-04-02	Architects Cubed	NF	no factor TF: 63-64