Write a C program to check whether a given number is prime number or not.

program:

#include<stdio.h> 

main()

{

    int n,i,count=0; 

    printf("enter a number:"); 

    scanf("%d",&n); 

    for(i=2;i<n;i++)

    {

        if(n%i==0)

        {

            count++;

        }

    }

    if(count==0)

    {

        printf("the given number is a prime\n"); 

    }

    else

    {

        printf("the given number is not a prime\n");

    }

}

 output: