feijie(n/i)不太懂
import java.util.Scanner;
public class Math {
public static void fenjie(int n) {
for (int i=2;i <=n;i++) {
if (i == n) {
System.out.print(i);
return;
}
if (n > i && (n % i == 0)) {
System.out.print(i+"*");
fenjie(n / i);
break;
}
}
}
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
System.out.println("请输入一个整数:");
int n = input.nextInt();
fenjie(n);
}
}
