338 663 191 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 2⁸¹

Factored

Factor	Digits	Bits	Date
40904376669405765913489	23	75.1	2025-01-22 03:41:10

History

Date	User	Type	Result
2025-01-22	Ruslan Borisov	F	Factor: 40904376669405765913489 / TF: 75-76
2023-09-01	JacobZ	NF	no factor TF: 74-75
2022-03-31	SRBase	NF	no factor TF: 73-74
2021-01-11	SRBase	NF	no factor TF: 72-73
2016-08-09	Jacques MOLNE	NF	no factor TF: 71-72
2016-08-09	Jacques MOLNE	NF	no factor TF: 70-71
2016-08-09	Jacques MOLNE	NF	no factor TF: 69-70
2015-07-25	Jacques MOLNE	NF	no factor TF: 67-69
2014-02-12	HBendtz	NF	no factor TF: 65-67
2010-04-28	Architects Cubed	NF	no factor TF: 64-65