SB is a project with numbers getting progressively larger, so you're a number of years too late. The small, shorter tests have already been completed.
If you're interested in looking for prime numbers, try Primegrid.
You could also look at Mersenneforum for discussion on various kinds of primes.
Finally, The Prime Pages. Have a look at the Prime Links section. There links to other software, including programs to find small primes.