360
2*2*3*3*4*5=720
12=2*2*3
18=2*3*3
40=2*4*5
12=2*2*3
18=2*3*3
40=2*4*5
12 = (2^2)(3)
18 = (2)(3^2)
40 = (2^3)(5)
The LCM of these numbers is (2^3)(3^2)(5) = 360
18 = (2)(3^2)
40 = (2^3)(5)
The LCM of these numbers is (2^3)(3^2)(5) = 360