Q: What are the factor combinations of the number 893,078?

 A:
Positive:   1 x 8930782 x 44653917 x 5253434 x 26267
Negative: -1 x -893078-2 x -446539-17 x -52534-34 x -26267


How do I find the factor combinations of the number 893,078?

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 893,078, 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.

1 893,078
-1 -893,078

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 893,078.

Example:
1 x 893,078 = 893,078
and
-1 x -893,078 = 893,078
Notice both answers equal 893,078

With that explanation out of the way, let's continue. Next, we take the number 893,078 and divide it by 2:

893,078 ÷ 2 = 446,539

If the quotient is a whole number, then 2 and 446,539 are factors. In this case, the quotient is a whole number. Write them in the table inside the other two factors like the below example. Don't forget to write the negative numbers too!

Here is what our table should look like at this step:

1 2 446,539 893,078
-1 -2 -446,539 -893,078

Now, we try dividing 893,078 by 3:

893,078 ÷ 3 = 297,692.6667

If the quotient is a whole number, then 3 and 297,692.6667 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 2 446,539 893,078
-1 -2 -446,539 -893,078

Let's try dividing by 4:

893,078 ÷ 4 = 223,269.5

If the quotient is a whole number, then 4 and 223,269.5 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 2 446,539 893,078
-1 -2 -446,539 893,078
Keep dividing by the next highest number until you cannot divide anymore.

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

12173426,26752,534446,539893,078
-1-2-17-34-26,267-52,534-446,539-893,078

More Examples

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