332 197 171 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 2⁸²

TF target 2⁸¹

P-1

B1 =	3006000
B2 =	687130920

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=11	2025-11-25	DanB	7F79E1211A5A02E0	0	1	3

History

Date	User	Type	Result
2025-11-25	Siarhei P. 😜	NF-PM1	B1=3006000, B2=687130920
2025-11-25	Peter Mayes	CERT	Proof certified good
2025-11-25	DanB	C-PRP	7F79E1211A5A02E0 Proof Certified Good Proof Power: 11
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2020-08-02	Albrecht Heeffer	NF	no factor TF: 81-82
2020-08-01	Albrecht Heeffer	NF	no factor TF: 80-81
2020-07-31	Albrecht Heeffer	NF	no factor TF: 79-80
2013-03-22	IEM	NF-PM1	B1=4090000
2011-02-19	amphoria	NF	no factor TF: 78-79
2011-02-19	amphoria	NF	no factor TF: 77-78
2011-02-19	amphoria	NF	no factor TF: 76-77
2011-02-19	amphoria	NF	no factor TF: 75-76
2009-09-22	Grant McCracken	NF	no factor TF: 74-75
2009-09-04	Grant McCracken	NF	no factor TF: 73-74
2009-06-20	Gary Hines	NF	no factor TF: 72-73
2009-06-19	Gary Hines	NF	no factor TF: 71-72
2008-10-16	noobahoi	NF	no factor TF: 70-71
2008-10-10	Team_Inspector	NF	no factor TF: 69-70
2008-10-08	Team_Inspector	NF	no factor TF: 68-69