Q: What are the factor combinations of the number 139,536?

How do I find the factor combinations of the number 139,536?

Unfortunately, there's not simple formula to identifying all of the factors of a number and it can be a tedious process when trying to identify the divisors of larger numbers. To find the factor combinations of the number 139,536, it is easier to work with a table - it's called factoring from the outside in.

Outside in Factoring

We start by creating a table and writing 1 on the left side and then the number we're trying to find the factors for on the right side in a table. Then, below that, write the numbers as a negative as well.

1		139,536
-1		-139,536

With that explanation out of the way, let's continue. Next, we take the number 139,536 and divide it by 2:

139,536 ÷ 2 = 69,768

If the quotient is a whole number, then 2 and 69,768 are factors. In this case, the quotient is a whole number. Write them in the table inside the other two factors like the below example. Don't forget to write the negative numbers too!

Here is what our table should look like at this step:

Now, we try dividing 139,536 by 3:

139,536 ÷ 3 = 46,512

If the quotient is a whole number, then 3 and 46,512 are factors. In this case, the quotient is a whole number. Write them in the table inside the other two factors like the below example. Don't forget to write the negative numbers too!

Here is what our table should look like at this step:

Let's try dividing by 4:

139,536 ÷ 4 = 34,884

If the quotient is a whole number, then 4 and 34,884 are factors. In this case, the quotient is a whole number. Write them in the table inside the other two factors like the below example. Don't forget to write the negative numbers too!

Here is what our table should look like at this step:

If you did it right, you will end up with this table:

More Examples

Here are some more numbers to try:

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