Fast-Prime-Num-Calculator Big new changes! Here's our new timeline: Multiprocessing script Python! Multiprocessing script C++ GPU Multiprocessing C++ Raspberry Pi cluster Python/C++ BILLIONTH PRIME NUMBER! Already one checkbox done, and the times to prove it: Single process speed for 1,000,000th prime: Multiprocessing speed for 1,000,000th prime @ 100,000 numbers/chunk w/ 20 cores: