Prime Number Program in C#

using System;
namespace Programs
{
public class Prime
{
static void Main(string[] args)
{
Console.Write("Enter a Number: ");
int number = int.Parse(Console.ReadLine());
bool IsPrime = true;
for (int i = 2; i < number/2; i++)
{
if (number % i == 0)
{
IsPrime = false;
break;
}
}
if (IsPrime)
{
Console.Write("This Number is a Prime Number!");
}
else
{
Console.Write("This Number is not Prime Number!");
}
Console.ReadKey();
}
}
}

Output:
Enter a Number: 17
This Number is a Prime Number!