题解 | #质数因子#
质数因子
http://www.nowcoder.com/practice/196534628ca6490ebce2e336b47b3607
import java.util.Scanner; // 注意类名必须为 Main, 不要有任何 package xxx 信息 public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int num = sc.nextInt(); while (num != 1) { for (int i = 2; i <= num; i++) { if (num % i == 0) { num /= i; System.out.print(i + " "); break; } } } } }