332 257 339 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 =	4880000
B2 =	4880000

Status	Date	User	Residue	Shift	Software
Unverified	2017-06-27	Mark Coccimiglio	65EA3AF7FF29F0__	293578932	Linux 64-bit,Prime95,v28.5,build 2

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-02-21	Mark Rose	NF	no factor TF: 80-81
2023-02-21	Mark Rose	NF	no factor TF: 79-80
2023-02-21	Mark Rose	NF	no factor TF: 78-79
2021-05-06	Random GPUs	NF	no factor TF: 77-78
2017-06-27	Mark Coccimiglio	C-LL	65EA3AF7FF29F0__
2017-01-09	Mark Coccimiglio	NF-PM1	B1=4880000
2011-03-18	Tom Duell	NF	no factor TF: 76-77
2011-03-18	Tom Duell	NF	no factor TF: 75-76
2011-03-18	Tom Duell	NF	no factor TF: 74-75
2011-03-18	Tom Duell	NF	no factor TF: 73-74
2011-03-16	Team_Inspector	NF	no factor TF: 72-73
2011-03-13	Team_Inspector	NF	no factor TF: 71-72
2011-02-01	Team_Inspector	NF	no factor TF: 70-71
2009-06-10	Team_Inspector	NF	no factor TF: 69-70
2009-03-14	Team_Inspector	NF	no factor TF: 68-69