static void Main(string[] args)
{
Console.WriteLine("Enter the number: ");
int n = int.Parse(Console.ReadLine());
bool ok = false;
for (int i = 2; i <= n; i++)
{
for (int j = 2; j < i; j++)
{
if (i % j == 0)
{
ok = true;
}
if (ok == false)
{
Cnsole.WriteLine(i);
}
else
{
ok = false;
}
}
}
Console.ReadKey();
}
static void Main()
{
// Write your code :)
Console.WriteLine("*****");
Console.WriteLine("*****");
Cnsole.WriteLine("*****");
Console.WriteLine("*****");
Console.WriteLine("*****");
Console.ReadKey();
}