Question

2,3,4,5,6,7,8的最小公倍数

Answer 1

2,3,4,5,6,7,8的最小公倍数为（840）.

2、3、5、7为质数,
4=2×2,
6=3×2,
8=2×2×2,
2,3,4,5,6,7,8的最小公倍数=7×5×3×2×2×2=840.
答：2,3,4,5,6,7,8的最小公倍数为840.