Circles?

Probability Level 3

What is the probability that two random natural numbers are relatively prime to each other?

Give your answer to 3 decimal places.


The answer is 0.608.

Siva Budaraju by Siva Budaraju , 19, USA

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1 solution

Here is a link to two solutions to the problem. The short one is really nice

http://www.cut-the-knot.org/m/Probability/TwoCoprime.shtml

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