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

 GTU Programming for Problem Solving Practical-24 

/*
24. Write a C program to check whether the given number is prime or not.
*/
#include <stdio.h>
int main()
{
    int n, i, c = 1;
    printf("Enter any Number: ");
    scanf("%d", &n);
    
    for (i = 2; i <= n / 2; ++i)
    {
        if (n % i == 0)
        {
            c = 0;
            break;
        }
    }
    if (n <= 1)
    {
        c = 0;
    }
    if (c == 1)
    {
        printf("%d is a Prime number \n", n);
    }
    else
    {
        printf("%d is not a prime number \n", n);
    }
    return 0;
}