332 283 473 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 =	3105000
B2 =	93150000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=9	2025-12-01	BigHero8	9C3096F1EE18C0E5	0	1	3

History

Date	User	Type	Result
2025-12-01	Kriesel	CERT	Proof certified good
2025-12-01	BigHero8	C-PRP	9C3096F1EE18C0E5 Proof Certified Good Proof Power: 9
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-04-11	Mark Rose	NF	no factor TF: 80-81
2023-04-11	Mark Rose	NF	no factor TF: 79-80
2020-08-24	LOBES	NF	no factor TF: 78-79
2020-07-23	Team_Inspector	NF	no factor TF: 77-78
2017-12-01	aurashift	NF-PM1	B1=3105000, B2=93150000, E=12
2017-11-23	Team_Inspector	NF	no factor TF: 76-77
2015-07-09	Team_Inspector	NF	no factor TF: 75-76
2014-10-22	Team_Inspector	NF	no factor TF: 74-75
2014-07-30	Team_Inspector	NF	no factor TF: 73-74
2012-07-27	Team_Inspector	NF	no factor TF: 72-73
2012-01-08	Team_Inspector	NF	no factor TF: 71-72
2011-05-21	Grant McCracken	NF	no factor TF: 70-71
2010-05-24	Sunfish	NF	no factor TF: 69-70
2009-07-21	Team_Inspector	NF	no factor TF: 68-69