Fermat s HUGE little theorem, pseudoprimes and Futurama

A LOT of people have heard about Andrew Wiles solving Fermat s last theorem after people trying in vain for over 350 years. Today s video is about Fermat s LITTLE theorem which is at least as pretty as its much more famous bigger brother, which has a super pretty accessible proof and which is of huge practical importance for finding large prime numbers to keep your credit card transactions safe. Featuring a weird way of identifying primes, the mysterious pseudoprimes and lots of Simpsons, Futurama and Ha