View Code of Problem 91

#include<stdio.h>
int main(){
	int k=0,n,i;
	scanf("%d",&n);
	printf("%d=",n);
	for(i=2;i<=n;){
		if(n%i==0){
			if(k==1){
				printf("*");
			}
			printf("%d",i);
			n=n/i;
			k=1;
		}else{
			i++;
		}
	}
	return 0;
}