the lcm of 3 and 7 is 21 and the lcm of 7 and 21 is 21, so the lcm of 3, 7 and 21 is the lcm of 21 and 21 which is 21.
The LCM is: 693
LCM(7, 99, 49) = 4851.
The LCM is 105.
The LCM is 42
The LCM is 84.
LCM of 5 7 21 is 105.
The LCM of 7 21 35 is 105
The LCM is 252.
The LCM is 42.
3=3*1 7=7*1 21=3*7 LCM=(3*7)=(21*1)=21
LCM(21, 7) = 21