Q: What are the factor combinations of the number 793,579?

 A:
Positive:   1 x 793579401 x 1979
Negative: -1 x -793579-401 x -1979


How do I find the factor combinations of the number 793,579?

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 793,579, 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.

1 793,579
-1 -793,579

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 793,579.

Example:
1 x 793,579 = 793,579
and
-1 x -793,579 = 793,579
Notice both answers equal 793,579

With that explanation out of the way, let's continue. Next, we take the number 793,579 and divide it by 2:

793,579 ÷ 2 = 396,789.5

If the quotient is a whole number, then 2 and 396,789.5 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:

1 793,579
-1 -793,579

Now, we try dividing 793,579 by 3:

793,579 ÷ 3 = 264,526.3333

If the quotient is a whole number, then 3 and 264,526.3333 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:

1 793,579
-1 -793,579

Let's try dividing by 4:

793,579 ÷ 4 = 198,394.75

If the quotient is a whole number, then 4 and 198,394.75 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:

1 793,579
-1 793,579
Keep dividing by the next highest number until you cannot divide anymore.

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

14011,979793,579
-1-401-1,979-793,579

More Examples

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