What is the least common factor of 37 and 42?

To answer the question, "What is the least common factor of 37 and 42?", we will start by defining and listing factors of 37 and 42.

Factors of 37 are all the integers that when multiplied by another integer equal 37. Likewise, factors of 42 are all the integers that when multiplied by another integer equal 42.

The factors of 37 are 1 and 37.

The factors 42 are 1, 2, 3, 6, 7, 14, 21, and 42.

When you ask, "What is the least common factor of 37 and 42?", least is the key word here. Least means smallest. Thus, the smallest or least common factor that 37 and 42 have in common is 1.

Note that all integers, such as 37 and 42, 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 37 and 42, you may also be interested in knowing the greatest common factor of 37 and 42. The greatest factor 37 and 42 have in common, per the list above, is 1.

When you asked for the least common factor of 37 and 42, did you mean least common multiple? If so, the least common multiple of 37 and 42 is 1554.

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