339 556 223 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
56788863255573794365871	23	75.6	2025-01-06 04:51:52

History

Date	User	Type	Result
2025-01-06	Ruslan Borisov	F	Factor: 56788863255573794365871 / TF: 75-76
2023-09-20	Ruslan Borisov	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
2016-05-01	Jacques MOLNE	NF	no factor TF: 71-72
2016-05-01	Jacques MOLNE	NF	no factor TF: 70-71
2016-05-01	Jacques MOLNE	NF	no factor TF: 69-70
2015-08-04	Jacques MOLNE	NF	no factor TF: 67-69
2014-02-14	HBendtz	NF	no factor TF: 65-67
2010-04-26	Architects Cubed	NF	no factor TF: 64-65