Returns true if the given number is even, false otherwise.

Check whether a number is odd or even using the modulo (%) operator.
Return true if the number is even, false if the number is odd.


public static partial class _30s 
  public static bool IsEven(int n) 
    return n % 2 == 0;


_30s.IsEven(2); // true
_30s.IsEven(3); // false