578 888 441 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 2⁸³

Factored

Factor	Digits	Bits	Date
43639551454304823507143	23	75.2	2025-03-14 01:18:32

History

Date	User	Type	Result
2025-03-14	NStorm	F	Factor: 43639551454304823507143 / TF: 75-76
2024-02-01	SRBase	NF	no factor TF: 74-75
2022-09-02	SRBase	NF	no factor TF: 73-74
2021-04-06	SRBase	NF	no factor TF: 72-73
2020-09-08	SRBase	NF	no factor TF: 71-72
2020-03-02	sasaki	NF	no factor TF: 70-71
2018-10-11	Niels_Mache_Nextcloud	NF	no factor TF: 69-70
2018-07-05	srow7	NF	no factor TF: 68-69
2017-01-11	sasaki	NF	no factor TF: 67-68
2015-11-04	sasaki	NF	no factor TF: 66-67
2014-11-03	sasaki	NF	no factor TF: 65-66
2011-09-03	Architects Cubed	NF	no factor TF: 64-65
2010-03-02	Architects Cubed	NF	no factor TF: 63-64