332 287 951 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 =	3105000
B2 =	91597500

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=8	2025-12-05	Helton_Alvares_Goncalves	0CBA8575F483E792	27854980	1	3

History

Date	User	Type	Result
2025-12-05	Kriesel	CERT	Proof certified good
2025-12-05	Helton_Alvares_Goncalves	C-PRP	0CBA8575F483E792 Proof Certified Good Proof Power: 8
2024-05-05	Greg	NF	no factor TF: 78-79
2023-11-13	Architects Cubed	NF	no factor TF: 80-81
2023-11-10	Architects Cubed	NF	no factor TF: 79-80
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-04-28	Architects Cubed	NF	no factor TF: 78-79
2022-04-19	Jon Pace	NF	no factor TF: 77-78
2019-04-20	Deckard Lain	NF-PM1	B1=3105000, B2=91597500, E=6
2018-07-22	Team_Inspector	NF	no factor TF: 76-77
2013-02-24	Hobbes	NF	no factor TF: 75-76
2013-02-14	Hobbes	NF	no factor TF: 74-75
2013-02-11	Hobbes	NF	no factor TF: 73-74
2012-12-02	Team_Inspector	NF	no factor TF: 72-73
2012-02-19	Grant McCracken	NF	no factor TF: 71-72
2011-07-01	Grant McCracken	NF	no factor TF: 70-71
2010-06-09	Sunfish	NF	no factor TF: 69-70
2009-08-07	Team_Inspector	NF	no factor TF: 68-69