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.
Note: If you are new to C# and Console Application. Try to code First C# Program
Let’s find out a simple and easy way to code the 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)
if (i == j || i == 1)
The input number here is 11. The program will find the succeeding prime number. The output is shown below:
Note: This program is design to find prime number only between 2 to 300000.
For any query, comment us below.
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