#include<stdio.h>
void fun(int n1,int n2,int *gcd,int *lcm){
    int itr;
    for(itr=1;itr<=n1&&itr<=n2;itr++){
        if(n1%itr==0 && n2%itr==0)
        *gcd = itr;
    }
    *lcm = (n1*n2) / *gcd;
}
int main(){
    int num1,num2;
    scanf("%d%d",&num1,&num2);
    if(num1<=0 || num2<=0){
        printf("Invalid input");
        return 0;
    }
    fun main(num1,num2,&gcd,&lcm);
    printf("%d %d",gcd,lcm);
    return 0;
}