What is the least common factor of 9 and 27?

To answer the question, "What is the least common factor of 9 and 27?", we will start by defining and listing factors of 9 and 27.

Factors of 9 are all the integers that when multiplied by another integer equal 9. Likewise, factors of 27 are all the integers that when multiplied by another integer equal 27.

The factors of 9 are 1, 3, and 9.

The factors 27 are 1, 3, 9, and 27.

When you ask, "What is the least common factor of 9 and 27?", least is the key word here. Least means smallest. Thus, the smallest or least common factor that 9 and 27 have in common is 1.

Note that all integers, such as 9 and 27, have 1 as one of its factors. Thus, the answer to the least common factor of any two integers greater than 0 will always be 1.

Now that you know the least common factor of 9 and 27, you may also be interested in knowing the greatest common factor of 9 and 27. The greatest factor 9 and 27 have in common, per the list above, is 9.

When you asked for the least common factor of 9 and 27, did you mean least common multiple? If so, the least common multiple of 9 and 27 is 27.

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