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9和7的最大公因数是多少
更新时间: 2020-10-21 00:00:00  

因为7和9是互质数,所以它们的最大公因数是1,最小公倍数是7*9=63。

如果两个数是互质数,则最大公因数是1,最小公倍数是这两个数的乘积;如果两个数为倍数关系,则最大公因数是较小数,最小公倍数为较大的数;如果两个数有公因数关系,则最大公因数是两个数公有质因数的乘积,最小公倍数是两个数公有质因数与独有质因数的连乘积。

关键词: 大公 因数 多少

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