Estimating Pi

June 5, 2018

There’s a nice piece of math (it was either on NumberPhile or 3brown1blue, but I can’t find it again, and in any event it is a well-known equality) that says if you pick two positive integers at random, the odds of them having no common divisors are 6 ÷ π² ≈ 0.61. Let’s test that.

Your task is to estimate π using the formula shown above. When you are finished, you are welcome to read or run a suggested solution, or to post your own solution or discuss the exercise in the comments below.

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