#include<stdio.h>
int calgcd(int *x,int *y){
    int a=*x;
    int b=*y;
    while(b!=0){
        int temp=b;
        b=a%b;
        a=temp;
    }
    return a;
}
void main(){
    int a, b, lcm, gcd;
    int *p=&a;
    int *p1=&b;
    scanf("%d %d",&a,&b);
    if(*p<=0 || *p1<=0){
        printf("Invalid input");
        return 0;
    }
    gcd=calgcd(p,p1);
    lcm=((*p)*(*p1))/gcd;
    printf("%d %d",gcd,lcm);
}