Q: What are the factor combinations of the number 108,539?

How do I find the factor combinations of the number 108,539?

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 108,539, 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		108,539
-1		-108,539

With that explanation out of the way, let's continue. Next, we take the number 108,539 and divide it by 2:

108,539 ÷ 2 = 54,269.5

If the quotient is a whole number, then 2 and 54,269.5 are factors. In this case, the quotient is not a whole number. Don't write anything down and try the next divisor.

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

Now, we try dividing 108,539 by 3:

108,539 ÷ 3 = 36,179.6667

If the quotient is a whole number, then 3 and 36,179.6667 are factors. In this case, the quotient is not a whole number. Don't write anything down and try the next divisor.

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

Let's try dividing by 4:

108,539 ÷ 4 = 27,134.75

If the quotient is a whole number, then 4 and 27,134.75 are factors. In this case, the quotient is not a whole number. Don't write anything down and try the next divisor.

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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