332 348 383 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 =	2000000
B2 =	80000000

Status	Date	User	Residue	Shift	Software
Unverified	2021-07-27	danc2	09B84A05873A0A__	240925488	CUDALucas v2.06

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2021-12-16	Kriesel	NF-PM1	B1=2000000, B2=80000000
2021-12-16	Kriesel	NF	no factor TF: 80-81
2021-12-16	Kriesel	NF	no factor TF: 79-80
2021-12-16	Kriesel	NF	no factor TF: 78-79
2021-07-27	danc2	C-LL	09B84A05873A0A__
2021-06-02	Jon Pace	NF	no factor TF: 77-78
2020-07-31	el grocco	NF	no factor TF: 76-77
2019-11-29	MadPoo 🙂	NF-PM1	B1=100000, B2=1000000
2019-05-06	MadPoo 🙂	NF-PM1	B1=100000
2016-05-03	srow7	NF	no factor TF: 75-76
2014-05-04	Preben S	NF	no factor TF: 74-75
2014-03-25	Phantomas	NF	no factor TF: 73-74
2013-01-20	LaurV	NF	no factor TF: 72-73
2012-11-07	Grant McCracken	NF	no factor TF: 71-72
2011-03-06	Grant McCracken	NF	no factor TF: 70-71
2011-01-03	Sunfish	NF	no factor TF: 69-70
2010-04-17	Sunfish	NF	no factor TF: 68-69