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; }