using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace ConsoleApplication1
{
class Program
{
static void Main(string[] args)
{
int count = 0;
Console.WriteLine("Enter
a value");
int x = int.Parse(Console.ReadLine());
int y = 2;
if (y <=
x / 2)
{
if (x % y == 0)
{
count++;
}
}
if (count == 0 && count != 1)
{
Console.WriteLine(x + " is Prime Number");
}
else
{
Console.WriteLine(x + " is not Prime Number");
}
Console.ReadLine();
}
}
}Output
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