332 280 409 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite: proven not-prime with PRP test

No factors below 2⁸¹

TF target 2⁸¹

P-1

B1 =	4305000
B2 =	4305000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=10	2025-06-29	SmithMichae2	7CBC9E0F429ABA25	295156579	1	3

History

Date	User	Type	Result
2025-06-29	shawn197	CERT	Proof certified good
2025-06-29	SmithMichae2	C-PRP	7CBC9E0F429ABA25 Proof Certified Good Proof Power: 10
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-04-13	Mark Rose	NF	no factor TF: 80-81
2023-04-13	Mark Rose	NF	no factor TF: 79-80
2023-03-16	Team_Inspector	NF	no factor TF: 78-79
2018-01-29	Lu Hecao	NF-PM1	B1=4305000
2015-11-27	srow7	NF	no factor TF: 77-78
2015-11-17	srow7	NF	no factor TF: 76-77
2013-02-23	Daneel	NF	no factor TF: 75-76
2013-02-15	Daneel	NF	no factor TF: 74-75
2013-02-10	Daneel	NF	no factor TF: 73-74
2012-05-25	Team_Inspector	NF	no factor TF: 72-73
2012-02-08	Grant McCracken	NF	no factor TF: 71-72
2011-06-17	Grant McCracken	NF	no factor TF: 70-71
2010-05-15	Sunfish	NF	no factor TF: 69-70
2009-07-11	Team_Inspector	NF	no factor TF: 68-69