public static void Main()
Console.Write("Enter the Number to check Prime: ");
num = int.Parse(Console.ReadLine());
if (num % 2 == 0 || num % 3 == 0 || num % 4 == 0 || num % 5 == 0 || num % 6 == 0 || num % 7 == 0 || num % 8 == 0 || num % 9 == 0 || num % 10 == 0)
Console.WriteLine("Number is not prime!!.");
Console.WriteLine("Number is prime!!.");