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