#include<iostream> using namespace std; int main() { int i, j; bool isprime;
for (i = 1; i <= 100; i++) { isprime = true; //see if the number is evenly divisible for (j = 2; j <= i / 2; j++) //if it is,then it is not prime if ((i%j) == 0)isprime = false;
if (isprime) cout << i << "is prime.\n"; } return 0; }
