332 226 197 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 =	2685000
B2 =	63097500

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=10	2025-12-31	atk80230	CA100BA6DB01DFE3	318546267	1	3

History

Date	User	Type	Result
2026-01-01	Fabrice Bellet	CERT	Proof certified good
2025-12-31	atk80230	C-PRP	CA100BA6DB01DFE3 Proof Certified Good Proof Power: 10
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-05-04	Architects Cubed	NF	no factor TF: 80-81
2023-05-01	Architects Cubed	NF	no factor TF: 79-80
2022-02-26	techn1ciaN	NF	no factor TF: 78-79
2021-09-12	CaptainEntropy	NF-PM1	B1=2685000, B2=63097500
2015-08-27	NR	NF	no factor TF: 77-78
2015-08-27	NR	NF	no factor TF: 76-77
2011-04-19	Sebastian Hornbostel	NF	no factor TF: 75-76
2011-04-08	Christian Geschwentner	NF	no factor TF: 74-75
2010-09-05	Team_Inspector	NF	no factor TF: 73-74
2010-08-30	Team_Inspector	NF	no factor TF: 72-73
2010-02-14	Team_Inspector	NF	no factor TF: 71-72
2010-02-14	Team_Inspector	NF	no factor TF: 70-71
2009-02-12	Michael Schroeter	NF	no factor TF: 69-70
2008-12-27	Team_Inspector	NF	no factor TF: 68-69