39 lines
926 B
C#
39 lines
926 B
C#
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/*
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* C# Program to Check Whether the Given Number is a Prime number if so then
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* Display its Largest Factor
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*/
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using System;
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namespace example
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{
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class prime
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{
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public static void Main()
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{
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Console.Write("Enter a Number : ");
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int num;
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num = Convert.ToInt32(Console.ReadLine());
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int k;
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k = 0;
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for (int i = 1; i <= num; i++)
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{
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if (num % i == 0)
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{
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k++;
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}
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}
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if (k == 2)
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{
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Console.WriteLine("Entered Number is a Prime Number and the Largest Factor is {0}",num);
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}
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else
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{
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Console.WriteLine("Not a Prime Number");
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}
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Console.ReadLine();
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}
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}
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}
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/*
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Enter a Number : 23
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Entered Number is a Prime Number and the Largest Factor is 23
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