It is: 30
multiples of 6-6 multiplesof 3- 3,6 multiples of 2- 2,4,6 LCM is 6
24
The LCM of 3 and 7 is 21
It's not the most efficient way, but if you keep at it long enough, a common multiple will emerge between two numbers. Easy example: 3 and 5 3,6,9,12,15 5,10,15 The LCM is 15.
42 is the LCM of 3, 6 and 7. All multiples of 42 are multiples of 3, 6 and 7
There can only be one LCM per set of numbers. Other common multiples will be multiples of the LCM. The LCM of 2840 and 144 is 51120. Other multiples include 102240 and 153360. The LCM of 28, 40 and 144 is 5040. Other multiples include 10080 and 15120.
The LCM is 24.
LCM: 21
The LCM is 15.
The LCM is 6.
The lcm is 12