"Compilers & drivers aren't libraries"? I've used LLVM as a library to just-in-time compile from Python. How is that not a library? BTW, I've used primality te

"Compilers & drivers aren't libraries"? I've used LLVM as a library to just-in-time compile from Python. How is that not a library? BTW, I've used primality testers I don't understand and couldn't implement on my own. How might I be more effective in calling is_prime()?