题解 | #质数因子#
质数因子
https://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 in = new Scanner(System.in); // 注意 hasNext 和 hasNextLine 的区别 long n = in.nextLong(); for (long i = 2; i <= n / i; i++) { while (n % i == 0) { System.out.print(i + " "); n /= i; } } if (n > 1) System.out.print(n + " "); } }