What is the least common factor of 9 and 71?

To answer the question, "What is the least common factor of 9 and 71?", we will start by defining and listing factors of 9 and 71.

Factors of 9 are all the integers that when multiplied by another integer equal 9. Likewise, factors of 71 are all the integers that when multiplied by another integer equal 71.

The factors of 9 are 1, 3, and 9.

The factors 71 are 1 and 71.

When you ask, "What is the least common factor of 9 and 71?", least is the key word here. Least means smallest. Thus, the smallest or least common factor that 9 and 71 have in common is 1.

Note that all integers, such as 9 and 71, 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 9 and 71, you may also be interested in knowing the greatest common factor of 9 and 71. The greatest factor 9 and 71 have in common, per the list above, is 1.

When you asked for the least common factor of 9 and 71, did you mean least common multiple? If so, the least common multiple of 9 and 71 is 639.

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 9 and 72?
Go here for the next least common factor problem on our list.