332 247 511 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 =	5305000
B2 =	5305000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=7	2023-06-19	Simon Josefsson	2B5F014F48B3091C	222323317	1	3

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-07-07	Kriesel	CERT	Proof certified good
2023-06-19	Simon Josefsson	C-PRP	2B5F014F48B3091C Proof Certified Good Proof Power: 7
2023-04-07	Mark Rose	NF	no factor TF: 80-81
2023-04-07	Mark Rose	NF	no factor TF: 79-80
2013-10-16	Bill Staffen	NF	no factor TF: 78-79
2013-10-16	Bill Staffen	NF	no factor TF: 77-78
2013-04-30	Kevin Montgomery	NF	no factor TF: 76-77
2013-03-29	Kevin Montgomery	NF-PM1	B1=5305000
2013-02-12	Team_Inspector	NF	no factor TF: 75-76
2013-01-09	LaurV	NF	no factor TF: 74-75
2011-08-29	Team_Inspector	NF	no factor TF: 73-74
2011-07-23	Team_Inspector	NF	no factor TF: 72-73
2011-04-25	Christian Geschwentner	NF	no factor TF: 71-72
2010-10-01	Team_Inspector	NF	no factor TF: 70-71
2009-03-24	Team_Inspector	NF	no factor TF: 69-70
2009-02-20	Team_Inspector	NF	no factor TF: 68-69