What is the least common factor of 9 and 33?

To answer the question, "What is the least common factor of 9 and 33?", we will start by defining and listing factors of 9 and 33.

Factors of 9 are all the integers that when multiplied by another integer equal 9. Likewise, factors of 33 are all the integers that when multiplied by another integer equal 33.

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

The factors 33 are 1, 3, 11, and 33.

When you ask, "What is the least common factor of 9 and 33?", least is the key word here. Least means smallest. Thus, the smallest or least common factor that 9 and 33 have in common is 1.

Note that all integers, such as 9 and 33, 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 33, you may also be interested in knowing the greatest common factor of 9 and 33. The greatest factor 9 and 33 have in common, per the list above, is 3.

When you asked for the least common factor of 9 and 33, did you mean least common multiple? If so, the least common multiple of 9 and 33 is 99.

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