332 203 309 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Details

Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime

No factors below 2⁸¹

TF target 2⁸¹

P-1

B1 =	5305000
B2 =	5305000

Status	Date	User	Residue	Shift	Software
Unverified	2019-06-19	Christopher Tompkins	F3A6D528D2C96A__	220485593	Windows 64-bit,Prime95,v28.5,build 2

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-02-10	Mark Rose	NF	no factor TF: 80-81
2022-11-02	Naegi Makoto	NF	no factor TF: 79-80
2022-11-02	Naegi Makoto	NF	no factor TF: 78-79
2021-03-20	Random GPUs	NF	no factor TF: 77-78
2019-06-19	Christopher Tompkins	C-LL	F3A6D528D2C96A__
2012-01-19	Christopher Tompkins	NF	no factor TF: 76-77
2011-12-31	Christopher Tompkins	NF-PM1	B1=5305000
2010-09-21	MRH	NF	no factor TF: 75-76
2009-07-15	ANONYMOUS	NF	no factor TF: 74-75
2009-07-07	ANONYMOUS	NF	no factor TF: 73-74
2009-07-04	ANONYMOUS	NF	no factor TF: 72-73
2009-07-02	ANONYMOUS	NF	no factor TF: 71-72
2009-07-01	ANONYMOUS	NF	no factor TF: 70-71
2008-11-21	Team_Inspector	NF	no factor TF: 69-70
2008-11-20	Team_Inspector	NF	no factor TF: 68-69