It is: 252
The LCM of 63 and 84 is 252.
The LCM is: 84
The LCM is 84.
hcf = 42, lcm = 84.
The LCM of 12 and 42 is 84.
The LCM would be 84, since 42 divides into 84 exactly twice !
LCM(21, 28, 42) = 84
GCF(42, 63, 84) = 21.
84
The LCM of 24, 42, and 84 is 168.
84