332 256 443 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 2⁸¹

TF target 2⁸¹

Assignments

Assigned	User	Work Type	Stage	% Done	Updated	Est Complete	Expired
2026-01-01	ANONYMOUS	PRP	PRP	28.68 %	2026-02-23	2026-07-21

P-1

B1 =	1662000
B2 =	128510580

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-06-11	JacobZ	NF-PM1	B1=1662000, B2=128510580
2023-04-07	Mark Rose	NF	no factor TF: 80-81
2023-04-07	Mark Rose	NF	no factor TF: 79-80
2013-12-08	Bill Staffen	NF	no factor TF: 78-79
2013-11-30	Bill Staffen	NF	no factor TF: 77-78
2011-03-11	Tom Duell	NF	no factor TF: 76-77
2011-03-11	Tom Duell	NF	no factor TF: 75-76
2011-03-11	Tom Duell	NF	no factor TF: 74-75
2011-03-06	Team_Inspector	NF	no factor TF: 73-74
2011-03-03	Team_Inspector	NF	no factor TF: 72-73
2011-03-01	Team_Inspector	NF	no factor TF: 71-72
2011-01-19	Team_Inspector	NF	no factor TF: 70-71
2009-06-03	Team_Inspector	NF	no factor TF: 69-70
2009-03-13	Team_Inspector	NF	no factor TF: 68-69