Find the LCM: Calculating Least Common Multiple of 3 and 9

Question

What is the least common multiple of these two numbers?

$\boxed{3}~~~\boxed{9}$

Step-by-Step Solution

To find the least common multiple (LCM) of $3$ and $9$ , we list the multiples of each number:

Multiples of $3$ are $3, 6, 9, 12, 15, \ldots$
Multiples of $9$ are $9, 18, 27, \ldots$

The smallest common multiple is $9$ .

Answer

9

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