The Least Common Multiple (LCM) of 9 and 15 is 45.
Multiples of 9 are 9, 18, 27, 36, 45, 54 and so on.
Multiples of 15 are 15, 30, 45, 60 and so on.
The LCM is the first number to appear on both lists.
45
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It is not possible to give a sensible answer to this question. 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 common multiple of the numbers 15, 9 and 6 is 90.
The least common multiple of 6, 9, 10 and 15 is 90
The LCM of 4, 9, and 15 is 144
The least common multiple of 9, 18, and 27 is 54.
Oh, dude, the least common multiple of 9, 18, and 15 is 90. It's like the cool kid that shows up fashionably late to the party, just hanging out and being all chill while the other numbers are trying too hard to be the center of attention. So yeah, 90 is the LCM, but like, no need to stress about it, man.