289 403 999 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 2⁸⁰

Factored

Factor	Digits	Bits	Date
43103143510857274445801	23	75.2	2025-02-10 17:08:22

History

Date	User	Type	Result
2025-02-10	NStorm	F	Factor: 43103143510857274445801 / TF: 75-76
2023-08-13	SRBase	NF	no factor TF: 74-75
2022-03-19	SRBase	NF	no factor TF: 73-74
2020-12-19	SRBase	NF	no factor TF: 72-73
2020-07-15	SRBase	NF	no factor TF: 71-72
2020-05-10	SRBase	NF	no factor TF: 70-71
2019-08-31	ANONYMOUS	NF	no factor TF: 69-70
2018-07-21	Chabot Prime	NF	no factor TF: 68-69
2016-11-26	tmorrow	NF	no factor TF: 67-68
2016-01-16	caddr	NF	no factor TF: 66-67
2013-12-21	ANONYMOUS	NF	no factor TF: 65-66
2011-09-27	sasaki3	NF	no factor TF: 64-65
2010-04-17	Richard	NF	no factor TF: 63-64
2010-04-17	Richard	NF	no factor TF: 62-63