Q: What are the factor combinations of the number 9,231,013?

 A:
Positive:   1 x 923101311 x 839183199 x 463872189 x 4217
Negative: -1 x -9231013-11 x -839183-199 x -46387-2189 x -4217


How do I find the factor combinations of the number 9,231,013?

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 9,231,013, 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 9,231,013
-1 -9,231,013

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 9,231,013.

Example:
1 x 9,231,013 = 9,231,013
and
-1 x -9,231,013 = 9,231,013
Notice both answers equal 9,231,013

With that explanation out of the way, let's continue. Next, we take the number 9,231,013 and divide it by 2:

9,231,013 ÷ 2 = 4,615,506.5

If the quotient is a whole number, then 2 and 4,615,506.5 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 9,231,013
-1 -9,231,013

Now, we try dividing 9,231,013 by 3:

9,231,013 ÷ 3 = 3,077,004.3333

If the quotient is a whole number, then 3 and 3,077,004.3333 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 9,231,013
-1 -9,231,013

Let's try dividing by 4:

9,231,013 ÷ 4 = 2,307,753.25

If the quotient is a whole number, then 4 and 2,307,753.25 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 9,231,013
-1 9,231,013
Keep dividing by the next highest number until you cannot divide anymore.

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

1111992,1894,21746,387839,1839,231,013
-1-11-199-2,189-4,217-46,387-839,183-9,231,013

More Examples

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