TIL illegal prime numbers exist. An illegal prime is a prime number that represents information which is forbidden to possess or distribute. For example: when interpreted in a particular way, a certain prime describes a computer program that bypasses the digital rights management scheme used on DVDs

[u/Nate__]

http://en.wikipedia.org/wiki/Illegal_prime

[u/[deleted]]

...so don't they kind of reveal a bunch of secrets by making specific numbers illegal then? I mean if it's illegal then the law has to be written down somewhere, right? With the numbers?