1680
The lowest common multiple of 16 and 28 is 112
LCM(28, 30) = 420.
The LCM is 840.
The LCM is 3780.
The LCM is 112.
The LCM is 240.
The LCM of 16 and 30 is 240.
LCM(40, 16, 28) = 560.
The LCM is 784.
The LCM is 720.
The LCM is 720.
The LCM is: 420