The Least Common Multiple (LCM) for 81 72 is 648.
LCM of 45 and 72 = 360
The LCM is 405. 9 and 81 have an LCM of 81. 9 and 45 have an LCM of 45. 45 and 81 have an LCM of 405 (5 x 81, 9 x 45).
The Least Common Multiple (LCM) for 54 72 81 is 648.
The LCM is 1080.
It is 648
648
The LCM is 405.
The LCM is 405.
1296
648
it is 810405