题解 | #质数因子#
质数因子
https://www.nowcoder.com/practice/196534628ca6490ebce2e336b47b3607
import math
num =int(input())
for i in range(2, int(math.sqrt(num))+1):
while num%i == 0: #不能用if，会漏相同的因子
print(i, end=' ')
num=int(num/i) #或者用‘//’，除法取整
if num>2:
print(num)
查看30道真题和解析