What is the least common factor of 78 and 23?

To answer the question, "What is the least common factor of 78 and 23?", we will start by defining and listing factors of 78 and 23.

Factors of 78 are all the integers that when multiplied by another integer equal 78. Likewise, factors of 23 are all the integers that when multiplied by another integer equal 23.

The factors of 78 are 1, 2, 3, 6, 13, 26, 39, and 78.

The factors 23 are 1 and 23.

When you ask, "What is the least common factor of 78 and 23?", least is the key word here. Least means smallest. Thus, the smallest or least common factor that 78 and 23 have in common is 1.

Note that all integers, such as 78 and 23, 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 78 and 23, you may also be interested in knowing the greatest common factor of 78 and 23. The greatest factor 78 and 23 have in common, per the list above, is 1.

When you asked for the least common factor of 78 and 23, did you mean least common multiple? If so, the least common multiple of 78 and 23 is 1794.

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