332 226 379 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 =	1122000
B2 =	30750000

Status	Date	User	Residue	Shift	Software
Unverified	2016-03-01	Bernard van der Helm	1965CD181A2E77__	8469825	CUDALucas v2.05.1

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-02-13	Mark Rose	NF	no factor TF: 80-81
2023-02-13	Mark Rose	NF	no factor TF: 79-80
2021-05-24	MadPoo 🙂	NF-PM1	B1=1122000, B2=30750000
2020-08-05	el grocco	NF	no factor TF: 78-79
2016-03-01	Bernard van der Helm	C-LL	1965CD181A2E77__
2015-08-28	NR	NF	no factor TF: 77-78
2010-08-12	amphoria	NF	no factor TF: 76-77
2010-08-12	amphoria	NF	no factor TF: 75-76
2010-08-12	amphoria	NF	no factor TF: 74-75
2010-08-12	amphoria	NF	no factor TF: 73-74
2010-08-12	amphoria	NF	no factor TF: 72-73
2010-08-12	amphoria	NF	no factor TF: 71-72
2010-02-23	Grant McCracken	NF	no factor TF: 70-71
2009-11-07	Team_Inspector	NF	no factor TF: 69-70
2008-12-27	Team_Inspector	NF	no factor TF: 68-69