Since 405 is a multiple of 81, it is automatically the LCM of this problem.
The LCM is 405.
The LCM is 405.
The LCM is 405.
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).
405
405
405
The LCM of 2781 and 135 is 13,905. The LCM of 27, 81 and 135 is 405.
The least common multiple (LCM) refers to a multiple that is COMMON to two or more numbers. You have only one number in the question! The least multiple of a number is itself.
The LCM is 226800.
It is 405
81