332 611 553 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 2⁷⁷

TF target 2⁸¹

Factored

Factor	Digits	Bits	Date
79561773933416062450639	23	76.1	2022-05-28 07:45:19

History

Date	User	Type	Result
2025-06-06	Greg	F	Factor: 79561773933416062450639 / TF: 76-77
2022-05-28	bayanne	F	Factor: 79561773933416062450639 / TF: 76-77*
2020-05-10	Team_Inspector	NF	no factor TF: 75-76
2016-02-19	srow7	NF	no factor TF: 74-75
2015-07-05	srow7	NF	no factor TF: 73-74
2013-11-24	bayanne	NF	no factor TF: 72-73
2013-03-09	LaurV	NF	no factor TF: 71-72
2013-01-28	LaurV	NF	no factor TF: 70-71
2012-07-07	LaurV	NF	no factor TF: 69-70
2012-04-12	LaurV	NF	no factor TF: 68-69
2012-03-27	LaurV	NF	no factor TF: 67-68
2010-04-30	Grant McCracken	NF	no factor TF: 66-67