332 206 531 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 =	2965000
B2 =	77090000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=9	2023-12-14	HASHTAG	B6ECED8A8B9DB23C	171390839	1	3

History

Date	User	Type	Result
2024-01-15	Joe S.	CERT	Proof certified good
2023-12-14	HASHTAG	C-PRP	B6ECED8A8B9DB23C Proof Certified Good Proof Power: 9
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2020-09-26	Albrecht Heeffer	NF	no factor TF: 80-81
2020-09-16	Albrecht Heeffer	NF	no factor TF: 79-80
2020-08-01	Runtime Error	NF	no factor TF: 78-79
2016-11-01	Matthew Bishop	NF-PM1	B1=2965000, B2=77090000
2015-06-07	srow7	NF	no factor TF: 77-78
2015-06-07	srow7	NF	no factor TF: 76-77
2011-06-23	Sebastian Hornbostel	NF	no factor TF: 75-76
2011-06-20	Sebastian Hornbostel	NF	no factor TF: 74-75
2010-06-09	Team_Inspector	NF	no factor TF: 73-74
2010-06-06	Team_Inspector	NF	no factor TF: 72-73
2009-10-30	Team_Inspector	NF	no factor TF: 71-72
2009-03-15	Team_Inspector	NF	no factor TF: 70-71
2009-01-23	Team_Inspector	NF	no factor TF: 69-70
2009-01-08	Team_Inspector	NF	no factor TF: 68-69