// Program for prime no
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace primeNo
{
public partial class Form1 : Form
{
int i;
public Form1()
{
InitializeComponent();
}
private void btnprime_Click(object sender, EventArgs e)
{
int n = Convert.ToInt32(txtno.Text);
if (n == 1)
{
MessageBox.Show(n + "is not
Prime");
}
for (i = 2; i
< n; i++)
{
if (n % i ==
0)
{
MessageBox.Show(n + "-is not
Prime");
break;
}
}
//if (i ==n)
if (i % n ==
0)
{
MessageBox.Show(n + "is
Prime");
}
}
private void btneven_Click(object sender, EventArgs e)
{
int n = Convert.ToInt32(txtno.Text);
if (n == 1)
{
MessageBox.Show(n
+ "is Odd No ");
}
if (n % 2 ==
0)
{
MessageBox.Show(n
+ "is Even ");
}
else
{
MessageBox.Show(n
+ "is not Even ");
}
}
private void btnodd_Click(object sender, EventArgs e)
{
int n = Convert.ToInt32(txtno.Text);
if (n == 1)
{
MessageBox.Show(n + "is 1
");
}
if (n % 2 ==
0)
{
MessageBox.Show(n + "is Odd
");
}
else
{
MessageBox.Show(n + "is not Odd
");
}
}
}
}
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