332 476 159 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 2⁷⁹

TF target 2⁸¹

Factored

Factor	Digits	Bits	Date
505623397022534740192697	24	78.7	2023-09-18 11:06:06

History

Date	User	Type	Result
2025-04-27	DMiddendorp	F	Factor: 505623397022534740192697 / TF: 78-79
2023-09-18	bayanne	F	Factor: 505623397022534740192697 / TF: 78-79*
2021-08-16	Jon Pace	NF	no factor TF: 77-78
2020-11-07	el grocco	NF	no factor TF: 76-77
2015-12-14	srow7	NF	no factor TF: 75-76
2015-05-10	aurashift	NF	no factor TF: 74-75
2015-05-06	aurashift	NF	no factor TF: 73-74
2013-03-04	LaurV	NF	no factor TF: 72-73
2013-03-04	LaurV	NF	no factor TF: 71-72
2013-01-03	kracker	NF	no factor TF: 70-71
2012-06-30	LaurV	NF	no factor TF: 69-70
2011-09-08	Grant McCracken	NF	no factor TF: 68-69
2011-07-22	Grant McCracken	NF	no factor TF: 67-68