332 355 259 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=8	2023-11-12	ANONYMOUS	C676B30363985A5C	258071120	1	3

History

Date	User	Type	Result
2024-04-30	Grant McCracken	NF	no factor TF: 70-71
2023-12-11	Kriesel	CERT	Proof certified good
2023-11-12	ANONYMOUS	C-PRP	Proof Certified Good Proof Power: 8
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-10-03	Team_Inspector	NF	no factor TF: 80-81
2023-08-28	Architects Cubed	NF	no factor TF: 79-80
2022-12-20	Naegi Makoto	NF	no factor TF: 78-79
2021-06-05	Jon Pace	NF	no factor TF: 77-78
2020-08-01	el grocco	NF	no factor TF: 76-77
2015-01-06	Melvin Smith - Gyrasoft	NF-PM1	B1=5305000
2014-12-17	Melvin Smith - Gyrasoft	NF	no factor TF: 75-76
2014-12-04	Melvin Smith - Gyrasoft	NF	no factor TF: 74-75
2014-11-21	Team_Inspector	NF	no factor TF: 73-74
2013-01-21	LaurV	NF	no factor TF: 72-73
2012-12-13	Team_Inspector	NF	no factor TF: 71-72
2011-02-20	Grant McCracken	NF	no factor TF: 70-71
2010-10-29	Grant McCracken	NF	no factor TF: 69-70
2010-04-28	Sunfish	NF	no factor TF: 68-69