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IsPrime

maxim_shlyahtin
Dec 18th, 2023
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  1. bool IsPrime(const int n)
  2. {
  3.     for (int i = 2; i*i <= n; i++)
  4.         if (n % i == 0)
  5.             return false;
  6.     return n > 1;
  7. }
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