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Random Primes (Posted on 2003-07-10) Difficulty: 4 of 5
If you pick any two integers at random, what is that probability that they will be relatively prime? ("relatively prime" means that the two numbers share no divisors except 1)

Tell how you end up with the answer.

See The Solution Submitted by not_so_einstein    
Rating: 4.0000 (2 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
re: Solution | Comment 6 of 9 |
(In reply to Solution by DJ)

But 6/π² is 0.6079271018540279 to the accuracy given, closer in fact to the product calculation I did than the 0.60788555894594382 you quote.
  Posted by Charlie on 2003-07-14 03:08:54

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