What is the least common factor of 56 and 49?

To answer the question, "What is the least common factor of 56 and 49?", we will start by defining and listing factors of 56 and 49.

Factors of 56 are all the integers that when multiplied by another integer equal 56. Likewise, factors of 49 are all the integers that when multiplied by another integer equal 49.

The factors of 56 are 1, 2, 4, 7, 8, 14, 28, and 56.

The factors 49 are 1, 7, and 49.

When you ask, "What is the least common factor of 56 and 49?", least is the key word here. Least means smallest. Thus, the smallest or least common factor that 56 and 49 have in common is 1.

Note that all integers, such as 56 and 49, 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 56 and 49, you may also be interested in knowing the greatest common factor of 56 and 49. The greatest factor 56 and 49 have in common, per the list above, is 7.

When you asked for the least common factor of 56 and 49, did you mean least common multiple? If so, the least common multiple of 56 and 49 is 392.

Least Common Factor Calculator
Need the least common factor for another set of numbers? Please submit your numbers here:

What is the least common factor of 56 and 50?
Go here for the next least common factor problem on our list.