I am new to primecoin mining but here is what i believe it to be;
Chains are not your coins, it is "chains of prime numbers". Is your cpu good enough for solo mining? with current difficulty I do not think it is.
If I were you I'd look into pool mining. I use rpool -
http://rpool.net/ - I also use the miner they have listed at their site.
If you don't know anything about setting up a miner, look around the forum. Search for "primecoin, rpool" and read up