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Prime Number Check

Nov 13th, 2014
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C# 0.53 KB | None | 0 0
  1. using System;
  2.  
  3. class PrimeNumberCheck
  4. {
  5.     static void Main()
  6.     {
  7.         int number = 0;
  8.         int primeNumberDividers = 0;
  9.         Console.WriteLine("Enter an integer in the range 1-100:");
  10.         number = Convert.ToInt32(Console.ReadLine());
  11.  
  12.         for (int i = 1; i <= number; i++)
  13.         {
  14.             if (number % i == 0)
  15.             {
  16.                 primeNumberDividers++;
  17.             }
  18.         }
  19.         if (primeNumberDividers == 2)
  20.         {
  21.             Console.WriteLine("Entered Number is a Prime Number: True");
  22.         }
  23.         else
  24.         {
  25.             Console.WriteLine("Entered Number is a Prime Number: False");
  26.         }
  27.     }
  28. }
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