Euler Problem 69


Euler Problem 69: Find the value of n ≤ 1,000,000 for which n/φ(n) is a maximum.

Prosto rješenje sa Mathamatica:

prop = 0;
n = 0;
For[i = 2, i <= 1000000, i++, temp = i/EulerPhi[i];
If[temp > prop, prop = temp; n = i]]; n
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