332 331 941 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 =	3345000
B2 =	98677500

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=11	2025-11-05	DanB	87E13038E039C51F	0	1	3

History

Date	User	Type	Result
2025-11-07	Architects Cubed	CERT	Proof certified good
2025-11-05	DanB	C-PRP	87E13038E039C51F Proof Certified Good Proof Power: 11
2024-02-23	Grant McCracken	NF	no factor TF: 68-69
2023-11-20	Architects Cubed	NF	no factor TF: 80-81
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-05-31	Architects Cubed	NF	no factor TF: 79-80
2022-09-09	Runtime Error	NF	no factor TF: 78-79
2021-05-25	Jon Pace	NF	no factor TF: 77-78
2015-10-15	-anonymous-	NF	no factor TF: 76-77
2015-06-22	-anonymous-	NF-PM1	B1=3345000, B2=98677500
2014-08-10	-anonymous-	NF	no factor TF: 75-76
2014-04-21	Preben S	NF	no factor TF: 74-75
2013-12-06	Team_Inspector	NF	no factor TF: 73-74
2013-01-19	LaurV	NF	no factor TF: 72-73
2012-07-28	Grant McCracken	NF	no factor TF: 71-72
2011-05-07	Grant McCracken	NF	no factor TF: 70-71
2010-12-30	Sunfish	NF	no factor TF: 69-70
2009-11-20	Grant McCracken	NF	no factor TF: 68-69