Q: What are the factor combinations of the number 43,369?

 A:
Positive:   1 x 4336931 x 1399
Negative: -1 x -43369-31 x -1399


How do I find the factor combinations of the number 43,369?

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 43,369, 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 43,369
-1 -43,369

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 43,369.

Example:
1 x 43,369 = 43,369
and
-1 x -43,369 = 43,369
Notice both answers equal 43,369

With that explanation out of the way, let's continue. Next, we take the number 43,369 and divide it by 2:

43,369 ÷ 2 = 21,684.5

If the quotient is a whole number, then 2 and 21,684.5 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 43,369
-1 -43,369

Now, we try dividing 43,369 by 3:

43,369 ÷ 3 = 14,456.3333

If the quotient is a whole number, then 3 and 14,456.3333 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 43,369
-1 -43,369

Let's try dividing by 4:

43,369 ÷ 4 = 10,842.25

If the quotient is a whole number, then 4 and 10,842.25 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 43,369
-1 43,369
Keep dividing by the next highest number until you cannot divide anymore.

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

1311,39943,369
-1-31-1,399-43,369

More Examples

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