链接:https://www.zhihu.com/question/40393531/answer/133242263著作权归作者所有.商业转载请联系作者获得授权,非商业转载请注明出处. 有人用python写的代码如下: #-*-coding:utf-8-*- import time def isPrime(i): for test in xrange(2,i): if i % test == 0: return False return True if __name__ == '__main_