332 248 603 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 =	2198000
B2 =	68661000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=7	2026-03-14	Simon Josefsson	3D20352DDBBE2642	20745378	1	3

History

Date	User	Type	Result
2026-03-15	Kriesel	CERT	Proof certified good
2026-03-14	Simon Josefsson	C-PRP	Proof Certified Good Proof Power: 7
2023-12-27	Architects Cubed	NF	no factor TF: 80-81
2023-11-28	Architects Cubed	NF	no factor TF: 79-80
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2022-08-24	robogreen	NF-PM1	B1=2198000, B2=68661000
2019-11-29	MadPoo 🙂	NF-PM1	B1=100000, B2=1000000
2019-04-12	MadPoo 🙂	NF-PM1	B1=100000
2013-11-12	Bill Staffen	NF	no factor TF: 78-79
2013-11-12	Bill Staffen	NF	no factor TF: 77-78
2013-10-27	Bill Staffen	NF	no factor TF: 76-77
2013-10-21	Bill Staffen	NF	no factor TF: 75-76
2013-01-09	LaurV	NF	no factor TF: 74-75
2011-09-14	Team_Inspector	NF	no factor TF: 73-74
2011-05-22	Team_Inspector	NF	no factor TF: 72-73
2011-04-26	Christian Geschwentner	NF	no factor TF: 71-72
2010-10-20	Team_Inspector	NF	no factor TF: 70-71
2009-04-14	Team_Inspector	NF	no factor TF: 69-70
2009-02-22	Team_Inspector	NF	no factor TF: 68-69