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100以内的合数有几个
更新时间: 2020-10-23 00:00:00  

100以内的合数有74个,分别是4、6、8、9、10、12、14、15等,合数是指在大于1的整数中除了能被1和本身整除外,还能被其他数,0除外整除的数。与之相对的是质数,而1既不属于质数也不属于合数。最小的合数是4。其中,完全数与相亲数是以它为基础的。

关键词: 以内 合数

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