What is the least common factor of 9 and 38?

To answer the question, "What is the least common factor of 9 and 38?", we will start by defining and listing factors of 9 and 38.

Factors of 9 are all the integers that when multiplied by another integer equal 9. Likewise, factors of 38 are all the integers that when multiplied by another integer equal 38.

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

The factors 38 are 1, 2, 19, and 38.

When you ask, "What is the least common factor of 9 and 38?", least is the key word here. Least means smallest. Thus, the smallest or least common factor that 9 and 38 have in common is 1.

Note that all integers, such as 9 and 38, 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 38, you may also be interested in knowing the greatest common factor of 9 and 38. The greatest factor 9 and 38 have in common, per the list above, is 1.

When you asked for the least common factor of 9 and 38, did you mean least common multiple? If so, the least common multiple of 9 and 38 is 342.

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