Q: What are the factor combinations of the number 726,767?

 A:
Positive:   1 x 72676717 x 42751
Negative: -1 x -726767-17 x -42751


How do I find the factor combinations of the number 726,767?

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 726,767, 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.

1 726,767
-1 -726,767

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 726,767.

Example:
1 x 726,767 = 726,767
and
-1 x -726,767 = 726,767
Notice both answers equal 726,767

With that explanation out of the way, let's continue. Next, we take the number 726,767 and divide it by 2:

726,767 ÷ 2 = 363,383.5

If the quotient is a whole number, then 2 and 363,383.5 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:

1 726,767
-1 -726,767

Now, we try dividing 726,767 by 3:

726,767 ÷ 3 = 242,255.6667

If the quotient is a whole number, then 3 and 242,255.6667 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:

1 726,767
-1 -726,767

Let's try dividing by 4:

726,767 ÷ 4 = 181,691.75

If the quotient is a whole number, then 4 and 181,691.75 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:

1 726,767
-1 726,767
Keep dividing by the next highest number until you cannot divide anymore.

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

11742,751726,767
-1-17-42,751-726,767

More Examples

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