332 551 561 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Details

No known factors, not tested for primality

No factors below 2⁸⁰

TF target 2⁸¹

Assignments

Assigned	User	Work Type	Stage	% Done	Updated	Est Complete	Expired
2022-07-19	-anonymous-	TF			2026-02-15	2040-03-05

History

Date	User	Type	Result
2024-05-19	ZFR	NF	no factor TF: 79-80
2023-11-27	TheJudger	NF	no factor TF: 78-79
2022-06-01	Team_Inspector	NF	no factor TF: 77-78
2022-02-03	bayanne	NF	no factor TF: 76-77
2020-03-20	tsc	NF	no factor TF: 75-76
2016-01-24	LaurV	NF	no factor TF: 74-75
2015-05-11	NR	NF	no factor TF: 73-74
2013-08-01	LaurV	NF	no factor TF: 72-73
2013-03-06	LaurV	NF	no factor TF: 71-72
2013-01-26	LaurV	NF	no factor TF: 70-71
2012-07-05	LaurV	NF	no factor TF: 69-70
2012-04-11	LaurV	NF	no factor TF: 68-69
2011-12-17	Grant McCracken	NF	no factor TF: 67-68