#include <iostream>
using namespace std;

int gcd(int a, int b)
{
    if(b == 0) return a;
    return gcd(b, a % b);
}

int main() 
{
    int n, m;
    while(cin >> n >> m)
    {
        for(int i = 0; i < n; i++)
        {
            int x;
            cin >> x;
            if(m >= x) m += x;
            else m += gcd(m, x);
        }
        cout << m << endl;
    }    
    return 0;
}