332 226 289 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 =	2825000
B2 =	67800000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=11	2025-03-27	Ryan Propper	54CDC94242A64E60	0	1	3

History

Date	User	Type	Result
2025-03-27	Cong Shengzhuo	CERT	Proof certified good
2025-03-27	Ryan Propper	C-PRP	54CDC94242A64E60 Proof Certified Good Proof Power: 11
2023-11-21	Architects Cubed	NF	no factor TF: 80-81
2023-11-18	gcardona	NF	no factor TF: 79-80
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2017-10-22	Ewan Smith	NF-PM1	B1=2825000, B2=67800000
2013-07-20	Bill Staffen	NF	no factor TF: 78-79
2013-07-19	Bill Staffen	NF	no factor TF: 77-78
2013-07-19	Bill Staffen	NF	no factor TF: 76-77
2011-04-19	Sebastian Hornbostel	NF	no factor TF: 75-76
2011-04-09	Christian Geschwentner	NF	no factor TF: 74-75
2010-09-03	Team_Inspector	NF	no factor TF: 73-74
2010-08-28	Team_Inspector	NF	no factor TF: 72-73
2010-08-25	Team_Inspector	NF	no factor TF: 71-72
2010-02-21	Grant McCracken	NF	no factor TF: 70-71
2009-03-11	Team_Inspector	NF	no factor TF: 69-70
2008-12-27	Team_Inspector	NF	no factor TF: 68-69