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#include <iostream> #include <math.h> using namespace std; int limit = 13195; 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)) { } else if (IsPrime(num) && (!(limit % num))) { cout << num << endl; } } return 0; } int IsPrime(int test) { for (int i = 2; i <= test; i++) { if (test % i) { //test % i != 0 return 1; } return 0; } }
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