Q: What are the factor combinations of the number 168,069,948?

 A:
Positive:   1 x 1680699482 x 840349743 x 560233164 x 420174876 x 2801165812 x 14005829
Negative: -1 x -168069948-2 x -84034974-3 x -56023316-4 x -42017487-6 x -28011658-12 x -14005829


How do I find the factor combinations of the number 168,069,948?

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 168,069,948, 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.

1 168,069,948
-1 -168,069,948

Why are the negative numbers included?

When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 168,069,948.

Example:
1 x 168,069,948 = 168,069,948
and
-1 x -168,069,948 = 168,069,948
Notice both answers equal 168,069,948

With that explanation out of the way, let's continue. Next, we take the number 168,069,948 and divide it by 2:

168,069,948 ÷ 2 = 84,034,974

If the quotient is a whole number, then 2 and 84,034,974 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:

1 2 84,034,974 168,069,948
-1 -2 -84,034,974 -168,069,948

Now, we try dividing 168,069,948 by 3:

168,069,948 ÷ 3 = 56,023,316

If the quotient is a whole number, then 3 and 56,023,316 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:

1 2 3 56,023,316 84,034,974 168,069,948
-1 -2 -3 -56,023,316 -84,034,974 -168,069,948

Let's try dividing by 4:

168,069,948 ÷ 4 = 42,017,487

If the quotient is a whole number, then 4 and 42,017,487 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:

1 2 3 4 42,017,487 56,023,316 84,034,974 168,069,948
-1 -2 -3 -4 -42,017,487 -56,023,316 -84,034,974 168,069,948
Keep dividing by the next highest number until you cannot divide anymore.

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

123461214,005,82928,011,65842,017,48756,023,31684,034,974168,069,948
-1-2-3-4-6-12-14,005,829-28,011,658-42,017,487-56,023,316-84,034,974-168,069,948

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