找到一个数的因子的实质是什么?
What is the essence of the problem of discovering factors of a number?
我需要确定某个数字是不是因子。
因子是不是一个数字列表?
这是一个数没有因子,是有单位的。
This is a number, there's no pre-factor here that has units.
这是一个数没有因子,是有单位的。
This is a number, there's no pre-factor here that has units.
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