Take a look at: Prime Numbers
. Also, Wolfram|Alpha
can give you a very nice presentation about prime numbers. For example just type 13-th prime number
in Wolfram|Alpha and this is what you get - read through - so much information! You can do other primes in similar manner. Wolfram|Alpha uses Mathematica to compute everything. But if you want to get it directly in Mathematica just click equal sign twice
at the begining of a new line in Mathematica and type the same thing after orange icon appears.