332 223 181 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 =	1686000
B2 =	142185960

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=11	2025-06-22	iucas	D5D121C08A95E2B0	0	1	3

History

Date	User	Type	Result
2025-06-22	COMPUTRON9001	CERT	Proof certified good
2025-06-22	iucas	C-PRP	D5D121C08A95E2B0 Proof Certified Good Proof Power: 11
2025-02-12	DanMB	NF-PM1	B1=1686000, B2=142185960
2023-12-13	Architects Cubed	NF	no factor TF: 80-81
2023-12-07	Architects Cubed	NF	no factor TF: 79-80
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2019-12-09	MadPoo 🙂	NF-PM1	B1=100000, B2=1000000
2019-04-07	MadPoo 🙂	NF-PM1	B1=100000
2015-10-26	NR	NF	no factor TF: 78-79
2015-10-26	NR	NF	no factor TF: 77-78
2010-08-06	amphoria	NF	no factor TF: 76-77
2010-08-06	amphoria	NF	no factor TF: 75-76
2010-08-06	amphoria	NF	no factor TF: 74-75
2010-08-06	amphoria	NF	no factor TF: 73-74
2010-08-06	amphoria	NF	no factor TF: 72-73
2010-01-04	Team_Inspector	NF	no factor TF: 71-72
2010-01-03	Team_Inspector	NF	no factor TF: 70-71
2009-08-12	Team_Inspector	NF	no factor TF: 69-70
2008-12-18	Team_Inspector	NF	no factor TF: 68-69