Eliminated on 2014/04/26 because the Primecoin GPU miner can be used on some pools. The GPU advantage is over 50.

Technical Information
Release Date: 2013/11/17
Algorithm: Prime
Total supply: 2,000,000,000
Premine: 0
Block Time: 1 minute
Block Reward:
Difficulty Retarget:

Websites
Website
Announcement Thread #1
Announcement Thread #2
Forum
Block Explorer
Source