Q: What are the factor combinations of the number 875,755?

 A:
Positive:   1 x 8757555 x 17515117 x 5151585 x 10303
Negative: -1 x -875755-5 x -175151-17 x -51515-85 x -10303


How do I find the factor combinations of the number 875,755?

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 875,755, 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.

1 875,755
-1 -875,755

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 875,755.

Example:
1 x 875,755 = 875,755
and
-1 x -875,755 = 875,755
Notice both answers equal 875,755

With that explanation out of the way, let's continue. Next, we take the number 875,755 and divide it by 2:

875,755 ÷ 2 = 437,877.5

If the quotient is a whole number, then 2 and 437,877.5 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:

1 875,755
-1 -875,755

Now, we try dividing 875,755 by 3:

875,755 ÷ 3 = 291,918.3333

If the quotient is a whole number, then 3 and 291,918.3333 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:

1 875,755
-1 -875,755

Let's try dividing by 4:

875,755 ÷ 4 = 218,938.75

If the quotient is a whole number, then 4 and 218,938.75 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:

1 875,755
-1 875,755
Keep dividing by the next highest number until you cannot divide anymore.

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

15178510,30351,515175,151875,755
-1-5-17-85-10,303-51,515-175,151-875,755

More Examples

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