Probability and Number Theory-all in one question.
Probability
Level
4
The probability that two random integers chosen have no common prime factors is of the form a/b where a and b are positive coprime integers.Find a+b.Take pi=22/7
The answer is 389.
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1 solution
The probability that two random integers have no common prime factors is 6/pi^2.so the answer comes out to be 389