Yes, 360 is the LCM of 18 and 40.
The LCM is 2520.
360
120
360 40 x 9 = 360 18 x 20 = 360
LCM of 24 40 and 16 is 240.
The LCM is 40.
The LCM of 4, 5, and 8 is 40.
The LCM is 40.
Since 40 is a multiple of 2, it is automatically the LCM.
The LCM is 18.
2 x 3 x 3 = 18 2 x 17 = 34 2 x 2 x 2 x 5 = 40 2 x 2 x 2 x 3 x 3 x 5 x 17 = 6120, the LCM.