推荐回答（2个）
9, 16没有公共的质因数,
最小公倍数为:
9 × 16 = 144
当二者有公因数的时候，短除法才管用。
比如：9和 24的最小公倍数的求法
9, 24的公共质因数为: 3,
最小公倍数为:
3 × 3 × 8 = 72
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