#include <iostream> using namespace std; int main() { int n, i; int a[100]; while (cin >> n) { int max; cin >> a[0]; max = a[0]; for (i = 1; i<n; i++) { cin >> a[i]; if (a[i]>max) max = a[i]; } int k = 0, j; for (j = max;; j++)//2 5 7 j=7; { for (i = 0; i<n; i++) { if (j%a[i] != 0) break; } if (i == n)// j%a[i]==0 break; } cout << j << endl; } return 0; }