### 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 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;
}
}

}
}
}

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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