1166

 1 #include<iostream>
 2 using namespace std ;
 3 int gcd(int a,int b)
 4 {
 5     if(a%b!=0)
 6          return gcd(b,a%b);
 7      else
 8          return b ;
 9 }
10 int main()  {
11     int a , b ;
12     while(cin >> a >> b)    {
13             int c = gcd(a,b) ;
14         cout << c << " " << a*b/c << endl ;
15     }
16     return 0 ;
17 }