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The nth Prime Page will now find any of the first 2.623˙10^{15} primes or
π(x) for x up to 10^{17}. Suppose you were to take this variant of efdtt.c,
a program that
will allow you to play a DVD on a computer, and then convert each
character in the code to its 8bit ascii equivalent, then
view this string of bits as a single number. What do you
get? This illegal prime!
This number was found to be a probable prime by Charles M. Hannum (the original author of efdtt.c) and proven prime by Phil Carmody. [Carmody and Caldwell]
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