Q: What are the factor combinations of the number 32,747?

 A:
Positive:   1 x 3274711 x 297713 x 2519143 x 229
Negative: -1 x -32747-11 x -2977-13 x -2519-143 x -229


How do I find the factor combinations of the number 32,747?

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 32,747, 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 32,747
-1 -32,747

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 32,747.

Example:
1 x 32,747 = 32,747
and
-1 x -32,747 = 32,747
Notice both answers equal 32,747

With that explanation out of the way, let's continue. Next, we take the number 32,747 and divide it by 2:

32,747 ÷ 2 = 16,373.5

If the quotient is a whole number, then 2 and 16,373.5 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:

1 32,747
-1 -32,747

Now, we try dividing 32,747 by 3:

32,747 ÷ 3 = 10,915.6667

If the quotient is a whole number, then 3 and 10,915.6667 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:

1 32,747
-1 -32,747

Let's try dividing by 4:

32,747 ÷ 4 = 8,186.75

If the quotient is a whole number, then 4 and 8,186.75 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:

1 32,747
-1 32,747
Keep dividing by the next highest number until you cannot divide anymore.

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

111131432292,5192,97732,747
-1-11-13-143-229-2,519-2,977-32,747

More Examples

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