332 286 989 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 =	1662000
B2 =	128510580

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=8	2025-09-07	whateverxequals	82DBB9BF8BC8EF8E	32799232	1	3

History

Date	User	Type	Result
2025-09-12	Kriesel	CERT	Proof certified good
2025-09-07	whateverxequals	C-PRP	82DBB9BF8BC8EF8E Proof Certified Good Proof Power: 8
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-06-16	JacobZ	NF-PM1	B1=1662000, B2=128510580
2023-01-05	Mark Rose	NF	no factor TF: 80-81
2023-01-05	Mark Rose	NF	no factor TF: 79-80
2020-08-24	el grocco	NF	no factor TF: 78-79
2020-07-26	Team_Inspector	NF	no factor TF: 77-78
2018-07-03	Team_Inspector	NF	no factor TF: 76-77
2014-10-19	Team_Inspector	NF	no factor TF: 75-76
2013-09-16	ktony	NF	no factor TF: 74-75
2013-03-10	ktony	NF	no factor TF: 73-74
2012-11-08	Team_Inspector	NF	no factor TF: 72-73
2012-01-07	Grant McCracken	NF	no factor TF: 71-72
2011-06-10	Grant McCracken	NF	no factor TF: 70-71
2010-06-06	Sunfish	NF	no factor TF: 69-70
2009-08-03	Team_Inspector	NF	no factor TF: 68-69