LCM of two numbers = their product divided by their HCF. The HCF of 64 and 610 is only 2 so the LCM is 64 x 610/2 ie 19520.
The LCM of one number is itself.
LCM of 4 8 and 64 is 64.
1220
The LCM is 192.
The LCM is: 64
The LCM is: 64
LCM of 52 and 64 is 832.
The LCM is 576.
The LCM is 1024.
The LCM is 576.
The LCM is 3136.
The LCM is 1600.