#include <iostream>
#include <math.h>
using namespace std;
int limit = 100;
int IsPrime(int test);
int main(void) {
int num;
for (num = 2; num < ceil(sqrt((double)limit)); num++) {
if (num % 2 || num % 3 || num % 5 || num % 7) {
return 0;
}
if (IsPrime(num)) {
cout << num << endl;
}
}
printf("Answer: %d\n", num);
return 0;
}
int IsPrime(int test) {
for (int i = 2; i < test; i++) {
if (test % i) {
return 0;
} else {
return 1;
}
}
return 1;
}