C Program to identify the number is prime or not.
CODE:- #include<stdio.h> #include<conio.h> void main() { int num,i,rem; int flag=0; printf("Enter the number="); scanf("%d",&num); for(i=2;i<num;i++) { rem=num%i; if(rem==0) { flag=1; break; } else continue; } if(flag==1) printf("%d is not prime number.",num); else printf("%d is prime number.",num); }