Yes. It's the second one, in fact.
Yes because 2*81 = 162
LCM(18, 54, 81) = 162
The first four multiples of 81 are 81, 162, 243, and 324.
The LCM of 18 and 81 is 162
162
2
The sum of 162 and 81 is 243.
81
2
162/200 = 81/100 81%
The Least Common Multiple of 54 and 81 is 162.
81
The LCM is 162.