7 is prime = 1*7

8 = 2^3

10 = 2*5

The LCM of these numbers will have all of these factors: 2^3, 5, 7.

2^3*5*7 =

8 = 2^3

10 = 2*5

The LCM of these numbers will have all of these factors: 2^3, 5, 7.

2^3*5*7 =

**280**