332 628 281 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
2025-07-22	-anonymous-	TF			2026-02-17	2034-04-09

History

Date	User	Type	Result
2025-10-28	bayanne	NF	no factor TF: 79-80
2023-12-03	TheJudger	NF	no factor TF: 78-79
2023-01-01	bayanne	NF	no factor TF: 77-78
2022-06-16	bayanne	NF	no factor TF: 76-77
2020-05-17	bayanne	NF	no factor TF: 75-76
2016-02-28	srow7	NF	no factor TF: 74-75
2015-07-20	James Heinrich	NF	no factor TF: 73-74
2013-12-09	bayanne	NF	no factor TF: 72-73
2013-03-09	LaurV	NF	no factor TF: 71-72
2013-01-29	LaurV	NF	no factor TF: 70-71
2012-07-09	LaurV	NF	no factor TF: 69-70
2012-04-12	LaurV	NF	no factor TF: 67-69
2010-06-20	Grant McCracken	NF	no factor TF: 66-67