332 231 477 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 =	4090000
B2 =	4090000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=9	2025-02-13	dss	8D12E1B7A87C14AF	316157940	1	3

History

Date	User	Type	Result
2025-02-13	Kriesel	CERT	Proof certified good
2025-02-13	dss	C-PRP	8D12E1B7A87C14AF Proof Certified Good Proof Power: 9
2024-02-25	James Heinrich	NF	no factor TF: 70-71
2023-11-03	TravisJank	NF	no factor TF: 80-81
2023-11-03	TravisJank	NF	no factor TF: 79-80
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2012-09-24	yuki	NF-PM1	B1=4090000
2011-03-18	TheJudger	NF	no factor TF: 78-79
2011-03-18	TheJudger	NF	no factor TF: 77-78
2011-03-18	TheJudger	NF	no factor TF: 76-77
2011-03-18	TheJudger	NF	no factor TF: 75-76
2011-03-18	TheJudger	NF	no factor TF: 74-75
2011-02-05	Team_Inspector	NF	no factor TF: 70-71
2011-01-29	Team_Inspector	NF	no factor TF: 73-74
2011-01-23	Team_Inspector	NF	no factor TF: 72-73
2011-01-20	Team_Inspector	NF	no factor TF: 71-72
2010-10-17	Team_Inspector	NF	no factor TF: 70-71
2009-08-28	Team_Inspector	NF	no factor TF: 69-70
2009-05-08	Team_Inspector	NF	no factor TF: 68-69