500 466 839 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
42047229056854592653367	23	75.2	2025-01-07 17:56:28

History

Date	User	Type	Result
2025-01-07	Curved	F	Factor: 42047229056854592653367 / TF: 75-76
2024-01-03	SRBase	NF	no factor TF: 74-75
2021-01-24	Zenzoma	NF	no factor TF: 73-74
2021-01-24	Zenzoma	NF	no factor TF: 72-73
2020-07-05	sasaki	NF	no factor TF: 71-72
2018-10-12	storm5510	NF	no factor TF: 70-71
2018-07-04	sasaki	NF	no factor TF: 69-70
2017-12-13	sasaki	NF	no factor TF: 68-69
2016-05-06	sasaki	NF	no factor TF: 67-68
2013-02-11	c10ck3r	NF	no factor TF: 65-67
2011-08-02	Architects Cubed	NF	no factor TF: 64-65
2010-03-13	Architects Cubed	NF	no factor TF: 63-64