332 319 577 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 =	3615000
B2 =	3615000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=7	2025-11-22	Simon Josefsson	CAFD51BD267CE0FD	208235273	1	3

History

Date	User	Type	Result
2025-11-25	Kriesel	CERT	Proof certified good
2025-11-22	Simon Josefsson	C-PRP	CAFD51BD267CE0FD Proof Certified Good Proof Power: 7
2023-11-19	Architects Cubed	NF	no factor TF: 80-81
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2016-04-30	José Illescas	NF-PM1	B1=3615000
2016-03-28	dh1	NF	no factor TF: 79-80
2016-03-28	dh1	NF	no factor TF: 78-79
2016-03-28	dh1	NF	no factor TF: 77-78
2016-03-28	dh1	NF	no factor TF: 76-77
2016-01-29	Team_Inspector	NF	no factor TF: 75-76
2015-03-17	Team_Inspector	NF	no factor TF: 74-75
2013-11-11	Team_Inspector	NF	no factor TF: 73-74
2011-09-03	Grant McCracken	NF	no factor TF: 72-73
2011-09-01	Grant McCracken	NF	no factor TF: 71-72
2011-06-14	Grant McCracken	NF	no factor TF: 70-71
2010-10-08	Sunfish	NF	no factor TF: 69-70
2009-09-05	Team_Inspector	NF	no factor TF: 68-69