You need at least two numbers to find an LCM.
The least common multiple of eight and nine is 72
Any multiple of 45.
Any multiple of 18.
The Least Common Multiple (LCM) of (7,9,10) is 630.
The least common multiple of the numbers 25 and 9 is 225.
The least common multiple of the numbers 9 and 5 is 45.
18
36
It is: 36
90
Their product.
18