GTU PPS Practical - 24
Write a program to check whether the given number is prime or not.
				
					#include<stdio.h>

int main() {
  int no, i;
  printf("\n Enter No to check wheather its prime or not :");
  scanf("%d", & no);
  for (i = 2; i < no; i++) {
    if (no % i == 0) {
      printf("\n %d is not prime", no);
      break;
    }
  }
  if (no == i) {
    printf("\n %d is prime", no);
  }
  return 0;
}
				
			
Output
C Program to Check Whether a Number is Prime or Not