Simple program

Simple program #7 (Print next prime number)

Enter a number: 11

Next prime number: 13

The program is written in C# programming language and will accept a number as input. The logic of the program is to find the succeeding prime number.

 

Simple Program

Note: If you are new to C# and Console Application. Try to code First C# Program

Note: Read articles on how to use Loops and Conditions.

Let’s find out a simple and easy way to code the program.

Practical Implementation:

using System;

namespace patternProblem.Simple_program

{

    class Simple7   //Print next prime number

    {

        static void Main(string[] args)

        {

            Console.Write("Enter a number: ");

            int n = Convert.ToInt32(Console.ReadLine());

            int i = 0;

            int j = 2;

            Console.Write("Next prime number: ");

            for (i = n + 1; i < 300000; i++)

            {

                for (j = 2; j < i; j++)

                {

                    if (i % j == 0)

                    {

                        break;

                    }

                }

                if (i == j || i == 1)

                {

                    Console.WriteLine(i);

                    break;

                }

            }

            Console.ReadKey();

        }

    }

}

Output:

The input number here is 11. The program will find the succeeding prime number. The output is shown below:

Enter a number: 11

Next prime number: 13

Press any key to continue . . .

Note: This program is design to find prime number only between 2 to 300000.

For any query, comment us below.

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Posted By - +Manish Kumar Gautam +LIVE VIAR +ASP.NET SOLUTIONS 

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