Q: What are the factor combinations of the number 255,827?

 A:
Positive:   1 x 25582711 x 2325713 x 19679143 x 1789
Negative: -1 x -255827-11 x -23257-13 x -19679-143 x -1789


How do I find the factor combinations of the number 255,827?

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 255,827, 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.

1 255,827
-1 -255,827

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 255,827.

Example:
1 x 255,827 = 255,827
and
-1 x -255,827 = 255,827
Notice both answers equal 255,827

With that explanation out of the way, let's continue. Next, we take the number 255,827 and divide it by 2:

255,827 ÷ 2 = 127,913.5

If the quotient is a whole number, then 2 and 127,913.5 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:

1 255,827
-1 -255,827

Now, we try dividing 255,827 by 3:

255,827 ÷ 3 = 85,275.6667

If the quotient is a whole number, then 3 and 85,275.6667 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:

1 255,827
-1 -255,827

Let's try dividing by 4:

255,827 ÷ 4 = 63,956.75

If the quotient is a whole number, then 4 and 63,956.75 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:

1 255,827
-1 255,827
Keep dividing by the next highest number until you cannot divide anymore.

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

111131431,78919,67923,257255,827
-1-11-13-143-1,789-19,679-23,257-255,827

More Examples

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