332 338 597 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	2019-02-11	Simon Harrison	4CBCD6F3E1F390__	166185411	CUDALucas v2.05.1

History

Date	User	Type	Result
2024-02-27	Grant McCracken	NF	no factor TF: 68-69
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-04-29	Mark Rose	NF-PM1	B1=1565000, B2=354419940
2023-02-06	Mark Rose	NF	no factor TF: 80-81
2023-02-06	Mark Rose	NF	no factor TF: 79-80
2022-10-19	Team_Inspector	NF	no factor TF: 78-79
2021-05-28	Jon Pace	NF	no factor TF: 77-78
2020-07-31	el grocco	NF	no factor TF: 76-77
2019-02-11	Simon Harrison	C-LL	4CBCD6F3E1F390__
2015-10-25	Team_Inspector	NF	no factor TF: 75-76
2011-04-17	vats09	NF	no factor TF: 72-75
2011-03-30	vats09	NF	no factor TF: 71-72
2011-03-18	Grant McCracken	NF	no factor TF: 70-71
2010-11-14	Sunfish	NF	no factor TF: 69-70
2010-02-27	Grant McCracken	NF	no factor TF: 68-69