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标题: OG16数学题求解答 [打印本页]

作者: nickqh 时间: 2015-10-27 21:52
标题: OG16数学题求解答
Does the integer k have at least three different positive prime factors?Does the integer k have at least three different positive prime factors?(1) k/15 is an integer.(2) k/10 is an integer.

这是一道OG测试题，小弟看了OG解释看懂了。但是为什么不考虑K为0的情况呢？0也是整数呀，如果算上0的话，那么就是两个条件都不充足了。希望大神点拨一二

作者: rm_g 时间: 2015-10-27 23:31
一般不考虑0的factor。

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