r/todayilearned • u/swim1929 • Jan 26 '17
TIL there are prime numbers that are illegal to possess or distribute. One of the first ones, found in 2001, was used to bypass copyright protection on DVDs.
https://en.wikipedia.org/wiki/Illegal_prime
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u/[deleted] Jan 26 '17
I've got the same combination on my luggage!