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- using System;
- namespace PrimeCheck
- {
- class PrimeCheck
- {
- static void Main()
- {
- Console.WriteLine("Please enter a integer between 0 and 100: ");
- int InputInteger = int.Parse(Console.ReadLine());
- if (InputInteger < 0 ^ InputInteger > 100)
- {
- Console.WriteLine("Number is outside required range.");
- }
- else
- {
- int Prime = 0;
- for (int i = 1; i <= 10; i++) //10 is the biggest number we need for end statement, no point in makuing i <= InputInteger, it will only slow down the program if insanely large numbers are used.
- {
- if (InputInteger % i == 0)
- {
- Prime++;
- }
- }
- bool PrimeCheck = true;
- if (Prime > 2)
- {
- PrimeCheck = false;
- }
- Console.WriteLine("Is {0} prime ? {1}", InputInteger, PrimeCheck);
- }
- }
- }
- }
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