about how to determine a prime number
摘要：
(1) if divided by 2 or 3, then no; (2) we only have to go through prime factors; because a composite can always be divided into primes. (3) since 2 is 阅读全文
posted @ 2018-03-20 16:25 freshair_cn 阅读(213) 评论(0) 推荐(0) 编辑
