Q: What are the factor combinations of the number 13,548?

 A:
Positive:   1 x 135482 x 67743 x 45164 x 33876 x 225812 x 1129
Negative: -1 x -13548-2 x -6774-3 x -4516-4 x -3387-6 x -2258-12 x -1129


How do I find the factor combinations of the number 13,548?

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 13,548, 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 13,548
-1 -13,548

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 13,548.

Example:
1 x 13,548 = 13,548
and
-1 x -13,548 = 13,548
Notice both answers equal 13,548

With that explanation out of the way, let's continue. Next, we take the number 13,548 and divide it by 2:

13,548 ÷ 2 = 6,774

If the quotient is a whole number, then 2 and 6,774 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 6,774 13,548
-1 -2 -6,774 -13,548

Now, we try dividing 13,548 by 3:

13,548 ÷ 3 = 4,516

If the quotient is a whole number, then 3 and 4,516 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 4,516 6,774 13,548
-1 -2 -3 -4,516 -6,774 -13,548

Let's try dividing by 4:

13,548 ÷ 4 = 3,387

If the quotient is a whole number, then 4 and 3,387 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 3,387 4,516 6,774 13,548
-1 -2 -3 -4 -3,387 -4,516 -6,774 13,548
Keep dividing by the next highest number until you cannot divide anymore.

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

12346121,1292,2583,3874,5166,77413,548
-1-2-3-4-6-12-1,129-2,258-3,387-4,516-6,774-13,548

More Examples

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