Did you know some numbers are illegal?!

Illegal prime

From Wikipedia, the free encyclopedia

An illegal prime is a prime number that represents information whose possession or distribution is forbidden in some legal jurisdiction. One of the first illegal primes was found in 2001. When interpreted in a particular way, it describes a computer program that bypasses the digital rights management scheme used on DVDs. Distribution of such a program in the United States is illegal under the Digital Millennium Copyright Act.[1] An illegal prime is a kind of illegal number.

“This is a good short lesson in public key cryptography. We also learn why a particular prime number that starts with 85650789657397829 and has 1402 more digits is an illegal number. If you have a DVD player, you are in possession of the number.”

This would seem like a case of math defeating copyright law but….

Sources: Illegal prime – Wikipedia, the free encyclopedia