What is the LCM of 3 and 9

9

Step-by-step explanation:

To find the LCM (least common multiple), first write the prime factorizations.

3 = 3¹

9 = 3²

The LCM must be a multiple of both, so it must contain each prime factor at the highest exponent. In this case, there's only one prime factor, 3. The highest exponent is 2. So the LCM is:

LCM = 3²

LCM = 9

Answer:3