Related link: http://www.utm.edu/research/primes/curios/485…443.html

It all starts innocently enough with 4856507896573978293098418946942861377074420873513579240196520736… but this may very well be the first illegal prime number. “When written in base 16 (hexidecimal), this prime forms a gzip file of the original C-source code (sans tables) that decrypts the DVD Movie.” [via interesting-people.org]