332 309 269 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 =	5305000
B2 =	5305000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=8	2025-11-17	ohestnes	FBE1DC8ACA1674E1	226419256	1	3

History

Date	User	Type	Result
2025-11-18	Kriesel	CERT	Proof certified good
2025-11-17	ohestnes	C-PRP	FBE1DC8ACA1674E1 Proof Certified Good Proof Power: 8
2024-09-24	Grant McCracken	NF	no factor TF: 71-72
2024-04-22	Grant McCracken	NF	no factor TF: 70-71
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-01-20	Mark Rose	NF	no factor TF: 80-81
2023-01-20	Mark Rose	NF	no factor TF: 79-80
2020-09-19	Team_Inspector	NF	no factor TF: 78-79
2020-09-16	Team_Inspector	NF	no factor TF: 77-78
2013-11-26	Joel Knauer	NF	no factor TF: 76-77
2013-11-06	Joel Knauer	NF-PM1	B1=5305000
2013-06-04	Joel Knauer	NF	no factor TF: 75-76
2013-05-24	Joel Knauer	NF	no factor TF: 74-75
2013-05-05	Team_Inspector	NF	no factor TF: 73-74
2013-01-15	LaurV	NF	no factor TF: 72-73
2012-04-28	Team_Inspector	NF	no factor TF: 71-72
2011-05-07	Grant McCracken	NF	no factor TF: 70-71
2010-05-25	Sunfish	NF	no factor TF: 69-70
2009-08-09	Team_Inspector	NF	no factor TF: 68-69