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小学数学质数和合数的概念
更新时间: 2021-03-12 03:38:38  

小学数学质数和合数的概念描述如下:

1、质数又称素数,有无限个。质数定义为在大于1的自然数中,除了1和它本身以外不再有其他因数。

2、合数指自然数中除了能被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。

关键词: 小学 数学 质数 合数 概念

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