Introduction

In this blog we have created a Simple C# Console Application that accepts Range from the user and gives prime no's from the given range.

Step 1: Create New Console Application in Visual Studio 2010.

File Menu -> New ->New Project -> Console Application

Image1

Step 2: Write the Following Code in "Program.cs" File.

Program.cs

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

namespace PrimeNo_C

{

class Program

{

static void Main(string[] args)

{

int st, en, cnt = 0;

Console.WriteLine("Starting Value:-");

st = int.Parse(Console.ReadLine());

Console.WriteLine("Ending Value:-");

en = int.Parse(Console.ReadLine());

for (int i = 1; i < en; i++)

{

for (int j = 1; j < en; j++)

{

if (i % j == 0)

{

cnt++;

}

}

if (cnt == 2)

{

Console.WriteLine(i);

}

cnt = 0;

}

Console.ReadKey();

}

}

}

Output

Image2

Summary

We Get the prime No's Between the Given Range that Accepts from the user.