Write out the multiples of each: 30, 60, 90, 120 40, 80, 120. 120 is the first that appears in both and this is your LCM
Least Common Multiple (LCM) for 40 80 128 is 640.
The LCM is 360.
8 and 80, respectively.
The LCM is: 400
The LCM is 80.
The multiples of 20 are: 20, 40, 60, 80, 100, 120, 140, etc ...The multiples of 30 are: 30, 60, 90, 120, 150, etc ...The multiples of 40 are: 40, 80, 120, 160, etc. ...The lowest multiple common to 20, 30, and 40 is 120, so the LCM = 120
Write out the multiples of each: 30, 60, 90, 120 40, 80, 120. 120 is the first that appears in both and this is your LCM
The LCM is 240.
The Least Common Multiple (LCM) for 80 180 40 is 720.
Least Common Multiple (LCM) for 40 80 128 is 640.
The LCM of 16 and 40 is 80 16: 16, 32, 48, 64, 80 40: 40, 80, 120, 160, 200
The LCM is 360.
8 and 80, respectively.
The LCM is: 400
The LCM is 120.
The LCM is 600.