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因数和倍数要如何分辨
更新时间: 2021-04-14 05:12:10  

1、因数只能被1和本身整除,倍数既能被1和本身整除,又能被其他数整除。

2、求倍数就是直接用乘法,得到的乘积就是倍数。求因数较为麻烦,需用由小到大的质数试除,能除尽的指数就是得到的一个因数。最后把所有的质因数组合乘积,就能得到所有的因数。

关键词: 因数 倍数 如何 分辨

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