The LCM of 81 and 51 is 34 x 17 = 1,377.
LCM of 81 and 3 is 81.
The LCM is 51.
The LCM is 51.
The LCM is 2268.
The LCM is 162.
The LCM is 1539.
The LCM is 810.
The LCM of 6 and 81 is 162.
LCM of 81 and 375 is 10125.
The LCM of 81 and 63 is 567.
The LCM of 81 and 216 is 648.