Q: What are the factor combinations of the number 985,393?

 A:
Positive:   1 x 985393127 x 7759
Negative: -1 x -985393-127 x -7759


How do I find the factor combinations of the number 985,393?

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 985,393, 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.

1 985,393
-1 -985,393

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 985,393.

Example:
1 x 985,393 = 985,393
and
-1 x -985,393 = 985,393
Notice both answers equal 985,393

With that explanation out of the way, let's continue. Next, we take the number 985,393 and divide it by 2:

985,393 ÷ 2 = 492,696.5

If the quotient is a whole number, then 2 and 492,696.5 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:

1 985,393
-1 -985,393

Now, we try dividing 985,393 by 3:

985,393 ÷ 3 = 328,464.3333

If the quotient is a whole number, then 3 and 328,464.3333 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:

1 985,393
-1 -985,393

Let's try dividing by 4:

985,393 ÷ 4 = 246,348.25

If the quotient is a whole number, then 4 and 246,348.25 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:

1 985,393
-1 985,393
Keep dividing by the next highest number until you cannot divide anymore.

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

11277,759985,393
-1-127-7,759-985,393

More Examples

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