332 196 577 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 =	2800000
B2 =	47600000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=7	2025-12-07	Siarhei P. 😜	9C12D4E97F7E8F17	0	1	3

History

Date	User	Type	Result
2025-12-09	Kriesel	CERT	Proof certified good
2025-12-07	Siarhei P. 😜	C-PRP	9C12D4E97F7E8F17 Proof Certified Good Proof Power: 7
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-03-10	Architects Cubed	NF	no factor TF: 80-81
2019-02-21	Random GPUs	NF	no factor TF: 79-80
2011-06-25	AntonG	NF-PM1	B1=2800000, B2=47600000
2010-11-02	amphoria	NF	no factor TF: 78-79
2010-11-02	amphoria	NF	no factor TF: 77-78
2010-11-02	amphoria	NF	no factor TF: 76-77
2010-11-02	amphoria	NF	no factor TF: 75-76
2010-01-16	Sunfish	NF	no factor TF: 74-75
2010-01-11	Sunfish	NF	no factor TF: 73-74
2010-01-08	Sunfish	NF	no factor TF: 72-73
2009-12-28	Team_Inspector	NF	no factor TF: 71-72
2008-12-28	Team_Inspector	NF	no factor TF: 70-71
2008-10-06	Team_Inspector	NF	no factor TF: 69-70
2008-10-06	Team_Inspector	NF	no factor TF: 68-69