What is the least common factor of 15 and 79?

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To answer the question, "What is the least common factor of 15 and 79?", we will start by defining and listing factors of 15 and 79.

Factors of 15 are all the integers that when multiplied by another integer equal 15. Likewise, factors of 79 are all the integers that when multiplied by another integer equal 79.

The factors of 15 are 1, 3, 5, and 15.

The factors 79 are 1 and 79.

When you ask, "What is the least common factor of 15 and 79?", least is the key word here. Least means smallest. Thus, the smallest or least common factor that 15 and 79 have in common is 1.

Note that all integers, such as 15 and 79, 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 15 and 79, you may also be interested in knowing the greatest common factor of 15 and 79. The greatest factor 15 and 79 have in common, per the list above, is 1.

When you asked for the least common factor of 15 and 79, did you mean least common multiple? If so, the least common multiple of 15 and 79 is 1185.

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