332 323 501 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=8	2025-10-09	Jonathon Nguyen	B454C7D0CDAE2D16	0	1	3

History

Date	User	Type	Result
2025-10-10	Kriesel	CERT	Proof certified good
2025-10-09	Jonathon Nguyen	C-PRP	B454C7D0CDAE2D16 Proof Certified Good Proof Power: 8
2024-02-20	Grant McCracken	NF	no factor TF: 68-69
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2016-06-07	Bruno Victal	NF	no factor TF: 80-81
2016-06-06	Bruno Victal	NF	no factor TF: 79-80
2016-06-05	Bruno Victal	NF	no factor TF: 78-79
2016-05-27	Klaus Nordmann	NF-PM1	B1=4305000
2016-04-18	VictordeHollander	NF	no factor TF: 77-78
2016-04-13	NR	NF	no factor TF: 76-77
2016-01-24	Team_Inspector	NF	no factor TF: 75-76
2013-11-20	Team_Inspector	NF	no factor TF: 74-75
2013-11-17	Team_Inspector	NF	no factor TF: 73-74
2013-01-17	LaurV	NF	no factor TF: 72-73
2012-05-26	Grant McCracken	NF	no factor TF: 71-72
2011-06-03	Grant McCracken	NF	no factor TF: 70-71
2010-11-10	Sunfish	NF	no factor TF: 69-70
2010-03-21	Grant McCracken	NF	no factor TF: 68-69