332 250 287 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	2017-06-17	arnaud	DEAAEEA469D488__	178443098	Windows 64-bit,Prime95,v28.9,build 2

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-02-19	Mark Rose	NF	no factor TF: 80-81
2023-02-19	Mark Rose	NF	no factor TF: 79-80
2023-02-19	Mark Rose	NF	no factor TF: 78-79
2017-06-17	arnaud	C-LL	DEAAEEA469D488__
2013-08-30	kracker	NF	no factor TF: 77-78
2012-06-03	SETIKAH	NF	no factor TF: 76-77
2012-03-31	SETIKAH	NF-PM1	B1=5305000
2011-07-09	SETIKAH	NF	no factor TF: 75-76
2011-06-05	SETIKAH	NF	no factor TF: 74-75
2011-05-22	SETIKAH	NF	no factor TF: 73-74
2011-05-16	SETIKAH	NF	no factor TF: 72-73
2011-04-27	Christian Geschwentner	NF	no factor TF: 71-72
2010-11-10	Team_Inspector	NF	no factor TF: 70-71
2009-09-14	Team_Inspector	NF	no factor TF: 69-70
2009-02-27	Team_Inspector	NF	no factor TF: 68-69