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分解质因数的方法

更新时间: 2021-02-03 08:30:28     

1、相乘法:写成几个质数相乘的形式(这些不重复的质数即为质因数),实际运算时可采用逐步分解的方式。如:36=2*2*3*3 运算时可逐步分解写成36=4*9=2*2*3*3或3*12=3*2*2*3 。

2、短除法:从最小的质数除起,一直除到结果为质数为止。分解质因数的算式的叫短除法。

关键词: 分解 质因数 方法

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