332 263 289 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 =	4305000
B2 =	4305000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=10	2025-11-30	William Wallace	34237F2F53D3E8A1	154997076	1	3

History

Date	User	Type	Result
2025-12-01	Fabrice Bellet	CERT	Proof certified good
2025-11-30	William Wallace	C-PRP	34237F2F53D3E8A1 Proof Certified Good Proof Power: 10
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-03-06	Architects Cubed	NF	no factor TF: 80-81
2023-03-03	Architects Cubed	NF	no factor TF: 79-80
2020-08-16	Runtime Error	NF	no factor TF: 78-79
2016-06-03	Paratoxin	NF-PM1	B1=4305000
2016-05-16	ktony	NF	no factor TF: 77-78
2016-05-16	ktony	NF	no factor TF: 76-77
2015-02-12	Team_Inspector	NF	no factor TF: 75-76
2013-01-10	LaurV	NF	no factor TF: 74-75
2012-02-26	Team_Inspector	NF	no factor TF: 73-74
2011-10-06	Team_Inspector	NF	no factor TF: 72-73
2011-05-25	Grant McCracken	NF	no factor TF: 71-72
2011-03-13	kurly	NF	no factor TF: 70-71
2009-12-04	Grant McCracken	NF	no factor TF: 69-70
2009-05-26	Team_Inspector	NF	no factor TF: 68-69