332 216 777 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 Lucas-Lehmer test

No factors below 2⁸¹

TF target 2⁸¹

P-1

B1 =	3310000
B2 =	83577500

Status	Date	User	Residue	Shift	Software
Bad	2013-01-10	bcp19	8E4A839F92C9C4DD	170379079	Windows,Prime95,v27.6,build 1
Verified	2022-12-06	Kriesel	363F686536FF3E8A	0	gpuowl,v6.11-380-g79ea0cc
Verified	2023-05-22	Team_Inspector	363F686536FF3E8A	244556838	Windows 64-bit,Prime95,v30.5,build 2

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-05-22	Team_Inspector	C-LL	363F686536FF3E8A
2022-12-06	Kriesel	C-LL	363F686536FF3E8A
2013-01-10	bcp19	C-LL	8E4A839F92C9C4DD
2012-02-05	bcp19	NF	no factor TF: 80-81
2012-01-12	bcp19	NF	no factor TF: 79-80
2012-01-07	bcp19	NF	no factor TF: 78-79
2012-01-07	bcp19	NF	no factor TF: 77-78
2012-01-07	bcp19	NF	no factor TF: 76-77
2011-12-26	bcp19	NF-PM1	B1=3310000, B2=83577500
2010-10-03	Oliver Kruse	NF	no factor TF: 75-76
2008-12-31	apostolosko	NF	no factor TF: 74-75
2008-12-19	apostolosko	NF	no factor TF: 73-74
2008-12-16	apostolosko	NF	no factor TF: 72-73
2008-12-14	werdwerdus	NF	no factor TF: 71-72
2008-12-13	werdwerdus	NF	no factor TF: 70-71
2008-12-13	werdwerdus	NF	no factor TF: 69-70
2008-12-12	werdwerdus	NF	no factor TF: 68-69