What is the least common factor of 4 and 66?

To answer the question, "What is the least common factor of 4 and 66?", we will start by defining and listing factors of 4 and 66.

Factors of 4 are all the integers that when multiplied by another integer equal 4. Likewise, factors of 66 are all the integers that when multiplied by another integer equal 66.

The factors of 4 are 1, 2, and 4.

The factors 66 are 1, 2, 3, 6, 11, 22, 33, and 66.

When you ask, "What is the least common factor of 4 and 66?", least is the key word here. Least means smallest. Thus, the smallest or least common factor that 4 and 66 have in common is 1.

Note that all integers, such as 4 and 66, 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 4 and 66, you may also be interested in knowing the greatest common factor of 4 and 66. The greatest factor 4 and 66 have in common, per the list above, is 2.

When you asked for the least common factor of 4 and 66, did you mean least common multiple? If so, the least common multiple of 4 and 66 is 132.

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