#include main() { int i, j, noprime; for (i = 2; i <= 200; i++) { /* note increment operator */ noprime = 0; for (j = 2; j < i ; j++) { if (i % j == 0) { /* note modulus operator */ noprime = 1; break; /* note break from the for loop it is in */ } } if (noprime) printf("%d is not prime\n", i); else printf ("%d is prime\n",i); } }