Q: What are the factor combinations of the number 264,979?

 A:
Positive:   1 x 26497911 x 2408913 x 2038317 x 15587109 x 2431143 x 1853187 x 1417221 x 1199
Negative: -1 x -264979-11 x -24089-13 x -20383-17 x -15587-109 x -2431-143 x -1853-187 x -1417-221 x -1199


How do I find the factor combinations of the number 264,979?

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 264,979, 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.

1 264,979
-1 -264,979

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 264,979.

Example:
1 x 264,979 = 264,979
and
-1 x -264,979 = 264,979
Notice both answers equal 264,979

With that explanation out of the way, let's continue. Next, we take the number 264,979 and divide it by 2:

264,979 ÷ 2 = 132,489.5

If the quotient is a whole number, then 2 and 132,489.5 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:

1 264,979
-1 -264,979

Now, we try dividing 264,979 by 3:

264,979 ÷ 3 = 88,326.3333

If the quotient is a whole number, then 3 and 88,326.3333 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:

1 264,979
-1 -264,979

Let's try dividing by 4:

264,979 ÷ 4 = 66,244.75

If the quotient is a whole number, then 4 and 66,244.75 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:

1 264,979
-1 264,979
Keep dividing by the next highest number until you cannot divide anymore.

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

11113171091431872211,1991,4171,8532,43115,58720,38324,089264,979
-1-11-13-17-109-143-187-221-1,199-1,417-1,853-2,431-15,587-20,383-24,089-264,979

More Examples

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