编辑代码

public class Prog3 {

    public static void main(String[] args) {
        int n = 99;
        for(int i = 2; i <= n ; i++ ){
            if(n%i == 0){
                if(n != i){
                    System.out.print(i + "*");
                    n = n/i;
                    i = 2;
                }else{
                    System.out.print(i);
                }
            }
        }
    }

}