332 224 547 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 =	1891000
B2 =	1268412222

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	PRP without proof (not generated)	2018-09-01	plennert	3E3ED9E162690FDD	298182154	1	3
Verified	Certified Good Power=10	2026-03-03	Kriesel	3E3ED9E162690FDD	0	1	3

History

Date	User	Type	Result
2026-03-03	EpicPuppy613	CERT	Proof certified good
2026-03-03	Kriesel	C-PRP	Proof Certified Good Proof Power: 10
2025-12-06	Kriesel	NF-PM1	B1=1891000, B2=1268412222
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-03-15	Mark Rose	NF	no factor TF: 80-81
2023-03-15	Mark Rose	NF	no factor TF: 79-80
2018-09-01	plennert	C-PRP	3E3ED9E162690FDD
2018-03-28	plennert	NF-PM1	B1=3910000
2013-07-16	Bill Staffen	NF	no factor TF: 78-79
2013-07-16	Bill Staffen	NF	no factor TF: 77-78
2013-07-15	Bill Staffen	NF	no factor TF: 76-77
2013-01-17	Team_Inspector	NF	no factor TF: 75-76
2009-12-09	wfreeman	NF	no factor TF: 74-75
2009-12-03	wfreeman	NF	no factor TF: 73-74
2009-12-01	wfreeman	NF	no factor TF: 72-73
2009-11-29	Team_Inspector	NF	no factor TF: 71-72
2009-11-28	Team_Inspector	NF	no factor TF: 70-71
2009-03-08	Team_Inspector	NF	no factor TF: 69-70
2008-12-22	Team_Inspector	NF	no factor TF: 68-69