332 332 291 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 =	3355000
B2 =	104005000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=11	2025-11-17	Matthew Buckingham-Bishop	1EC6D27F0E58E885	0	1	3

History

Date	User	Type	Result
2025-11-17	Wojciech Florek	CERT	Proof certified good
2025-11-17	Matthew Buckingham-Bishop	C-PRP	Proof Certified Good Proof Power: 11
2024-05-05	Greg	NF	no factor TF: 78-79
2024-02-23	Grant McCracken	NF	no factor TF: 68-69
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-05-14	Team_Inspector	NF	no factor TF: 80-81
2023-05-08	Team_Inspector	NF	no factor TF: 79-80
2023-04-30	Architects Cubed	NF	no factor TF: 78-79
2021-05-25	Jon Pace	NF	no factor TF: 77-78
2014-08-22	dam1917	NF	no factor TF: 76-77
2014-08-08	dam1917	NF-PM1	B1=3355000, B2=104005000
2014-07-05	dam1917	NF	no factor TF: 75-76
2014-04-21	Preben S	NF	no factor TF: 74-75
2013-11-30	Team_Inspector	NF	no factor TF: 73-74
2013-01-19	LaurV	NF	no factor TF: 72-73
2012-08-02	Grant McCracken	NF	no factor TF: 71-72
2011-05-06	Grant McCracken	NF	no factor TF: 70-71
2010-12-31	Sunfish	NF	no factor TF: 69-70
2009-11-26	Grant McCracken	NF	no factor TF: 68-69