Here today we have a special prime. 65537 is the last known Fermat prime in a sequence of 5 Fermat primes. Fermat primes are prime numbers in the form 2^(2^n)+1, where n is any non-negative integer. In this case, 65537 is equal to 2^(2^4)+1 or 2^16+1 when simplified. In case your wondering the other 4 Fermat primes are 3, 5, 17 and 257.
