Q: What are the factor combinations of the number 297,869?

 A:
Positive:   1 x 29786911 x 2707913 x 22913143 x 2083
Negative: -1 x -297869-11 x -27079-13 x -22913-143 x -2083


How do I find the factor combinations of the number 297,869?

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 297,869, 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.

1 297,869
-1 -297,869

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 297,869.

Example:
1 x 297,869 = 297,869
and
-1 x -297,869 = 297,869
Notice both answers equal 297,869

With that explanation out of the way, let's continue. Next, we take the number 297,869 and divide it by 2:

297,869 ÷ 2 = 148,934.5

If the quotient is a whole number, then 2 and 148,934.5 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:

1 297,869
-1 -297,869

Now, we try dividing 297,869 by 3:

297,869 ÷ 3 = 99,289.6667

If the quotient is a whole number, then 3 and 99,289.6667 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:

1 297,869
-1 -297,869

Let's try dividing by 4:

297,869 ÷ 4 = 74,467.25

If the quotient is a whole number, then 4 and 74,467.25 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:

1 297,869
-1 297,869
Keep dividing by the next highest number until you cannot divide anymore.

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

111131432,08322,91327,079297,869
-1-11-13-143-2,083-22,913-27,079-297,869

More Examples

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