332 201 657 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 =	5305000
B2 =	5305000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=10	2026-02-26	y-omori	B1C30B8BEDA30CB3	0	1	3

History

Date	User	Type	Result
2026-02-26	JohnW	CERT	Proof certified good
2026-02-26	y-omori	C-PRP	Proof Certified Good Proof Power: 10
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2020-09-14	Albrecht Heeffer	NF	no factor TF: 80-81
2020-09-10	Albrecht Heeffer	NF	no factor TF: 78-79
2020-09-10	Albrecht Heeffer	NF	no factor TF: 79-80
2015-06-04	srow7	NF	no factor TF: 77-78
2014-09-20	Team_Inspector	NF	no factor TF: 76-77
2012-11-13	tsc	NF-PM1	B1=5305000
2012-03-26	LaurV	NF	no factor TF: 75-76
2010-05-22	romessina	NF	no factor TF: 74-75
2010-05-14	Team_Inspector	NF	no factor TF: 73-74
2009-12-13	Team_Inspector	NF	no factor TF: 72-73
2009-10-28	Team_Inspector	NF	no factor TF: 71-72
2009-02-20	Team_Inspector	NF	no factor TF: 70-71
2008-11-13	Team_Inspector	NF	no factor TF: 69-70
2008-11-13	Team_Inspector	NF	no factor TF: 68-69