332 285 957 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 =	1048000
B2 =	31113000

Status	Date	User	Residue	Shift	Software
Unverified	2016-08-30	T.Tatekawa	8607BB6D75984B__	139572063	CUDALucas v2.05

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-01-05	Mark Rose	NF	no factor TF: 80-81
2023-01-01	LOBES	NF-PM1	B1=1048000, B2=31113000
2017-01-17	Random GPUs	NF	no factor TF: 79-80
2017-01-12	Random GPUs	NF	no factor TF: 78-79
2017-01-10	Random GPUs	NF	no factor TF: 77-78
2017-01-10	Random GPUs	NF	no factor TF: 76-77
2016-12-08	Grant McCracken	NF	no factor TF: 76-77
2016-08-30	T.Tatekawa	C-LL	8607BB6D75984B__
2013-03-26	fireredd	NF	no factor TF: 75-76
2013-03-05	AntonioK	NF	no factor TF: 73-75
2012-10-12	Team_Inspector	NF	no factor TF: 72-73
2012-01-20	Grant McCracken	NF	no factor TF: 71-72
2011-07-02	Grant McCracken	NF	no factor TF: 70-71
2010-06-03	Sunfish	NF	no factor TF: 69-70
2009-07-31	Team_Inspector	NF	no factor TF: 68-69