A common multiple of 9, 81 and 45 is 32805. This is not the least such number.
A common multiple of 9, 45 and 81 is a number of the form 405*k where k is any integer.
405
9
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 of 9 and 81 is 81.
Since 45 is a multiple of 9, it is automatically the LCM.
The greatest common factor of 81 and 45 is 9Factors of 45: 1 3 5 9 15 45Factors of 81: 1 3 9 27 81The GCF of 45 and 81 is 9It is: 9
The greatest common factor is 9
36 and 45 or 9 and any multiple of 9
45 is the least common multiple of 3, 5 and 9.
81 is.
9, 18, 27, 36, 45, 54, 63, 72, 81, 90.