#include<stdio.h>
void gcd(int x,int y,int*gcd,int*lcm)
{
    int a=x,b=y;
    while(b!=0)
    {
        int temp=b;
        b=a%b;
        a=temp;
    }
    *gcd=a;
    *lcm=(x*y)/(*gcd);
}
int main()
{
    int x,y,gcd,lcm;
    scanf("%d",&x);
    scanf("%d",&y);
    if(x<=0||y<=0)
    {
        printf("Invalid input");
        return 0;
    }
    gcd(x,y,&gcd,&lcm);
    printf("%d %d\n",gcd,lcm);
    return 0;
}