332 316 199 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 =	1565000
B2 =	354419940

Status	Date	User	Residue	Shift	Software
Unverified	2018-11-27	nikopolidis	1F065554011B43__	136923177	CUDALucas v2.06beta

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-04-20	Mark Rose	NF-PM1	B1=1565000, B2=354419940
2023-01-23	Mark Rose	NF	no factor TF: 80-81
2023-01-23	Mark Rose	NF	no factor TF: 79-80
2020-10-20	Runtime Error	NF	no factor TF: 78-79
2020-10-17	Team_Inspector	NF	no factor TF: 77-78
2020-08-01	Andrew B	NF	no factor TF: 76-77
2018-11-27	nikopolidis	C-LL	1F065554011B43__
2016-01-17	Team_Inspector	NF	no factor TF: 75-76
2015-02-20	Team_Inspector	NF	no factor TF: 74-75
2013-09-09	Team_Inspector	NF	no factor TF: 73-74
2013-01-16	LaurV	NF	no factor TF: 72-73
2012-05-08	Grant McCracken	NF	no factor TF: 71-72
2011-05-12	Grant McCracken	NF	no factor TF: 70-71
2010-06-20	Sunfish	NF	no factor TF: 69-70
2009-08-24	Team_Inspector	NF	no factor TF: 68-69