include<stdio.h>

int main() {

int a,b,num,i,j; scanf("%d %d",&a,&b); for(i=a;i<=b;i++){

num=i;
printf("%d=",num);
for(j=2;j<=num;j++){
    while(num%j==0){
        printf("%d",j);
        num=num/j;
        if(num!=1){
            printf("*");
        }            
    }
}
printf("\n");

} return 0; }