332 386 883 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 =	3335000
B2 =	106720000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=9	2025-07-11	COMPUTRON9001	39121E5C9A390422	0	1	3

History

Date	User	Type	Result
2025-07-12	Kriesel	CERT	Proof certified good
2025-07-11	COMPUTRON9001	C-PRP	39121E5C9A390422 Proof Certified Good Proof Power: 9
2024-03-08	Grant McCracken	NF	no factor TF: 68-69
2023-11-16	Architects Cubed	NF	no factor TF: 80-81
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2017-08-18	Random GPUs	NF	no factor TF: 79-80
2017-08-18	Random GPUs	NF	no factor TF: 78-79
2017-08-18	Random GPUs	NF	no factor TF: 77-78
2017-08-18	Random GPUs	NF	no factor TF: 76-77
2011-10-15	Ake Tilander	NF-PM1	B1=3335000, B2=106720000, E=6
2011-03-09	vats09	NF	no factor TF: 75-76
2011-02-18	vats09	NF	no factor TF: 74-75
2011-01-31	vats09	NF	no factor TF: 73-74
2011-01-31	vats09	NF	no factor TF: 72-73
2011-01-31	vats09	NF	no factor TF: 71-72
2011-01-19	Grant McCracken	NF	no factor TF: 70-71
2009-07-07	unconnected	NF	no factor TF: 69-70
2009-07-07	unconnected	NF	no factor TF: 68-69