Friday, January 08, 2010

New Factoring Record

New factoring record: 768 bits, about 1500 CPU-years on 2.2GHz AMD CPUs, 10^20 operations, 2^67 instructions (for some definition of "operation" and "instruction". Claims a 1024-bit number would only be about 1,000 times as hard.

Brought to you by Kleinjung, Aoki, Franke, Lenstra, Thome', Bos, Gaudry, Kruppa, Montgomery, Osvik, te Riele, Timofeev, and Zimmerman.
http://bit.ly/8xXSgy

Just FYI.