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Old 04-17-2017, 05:30 PM
OldGuy OldGuy is offline
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Join Date: Dec 2002
Location: Very east of Foggybog, WI
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Originally Posted by boffking View Post
What percentage of numbers are prime?
You can't take a percent of infinity.
Actually this calculation is the idea behind the Prime Number Theorem.

And to a first approximation the number of primes less than x is asymptotically x/ln(x). This means that the fraction of numbers that are prime goes to zero in the limit, but it does so in a well defined way.