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