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15和45的公因数有哪些

更新时间: 2020-10-31 00:00:00     

15和45的公因数有1、3、5、15。公因数,亦称“公约数”。它是一个能同时整除若干整数的整数。如果一个整数同时是几个整数的因数,称这个整数为它们的“公因数”;公因数中最大的称为最大公因数。对任意的若干个正整数,1总是它们的公因数。

关键词: 因数 哪些

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