Q: What are the factor combinations of the number 422,765?

 A:
Positive:   1 x 4227655 x 845537 x 6039535 x 1207947 x 8995235 x 1799257 x 1645329 x 1285
Negative: -1 x -422765-5 x -84553-7 x -60395-35 x -12079-47 x -8995-235 x -1799-257 x -1645-329 x -1285


How do I find the factor combinations of the number 422,765?

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 422,765, 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.

1 422,765
-1 -422,765

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 422,765.

Example:
1 x 422,765 = 422,765
and
-1 x -422,765 = 422,765
Notice both answers equal 422,765

With that explanation out of the way, let's continue. Next, we take the number 422,765 and divide it by 2:

422,765 ÷ 2 = 211,382.5

If the quotient is a whole number, then 2 and 211,382.5 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:

1 422,765
-1 -422,765

Now, we try dividing 422,765 by 3:

422,765 ÷ 3 = 140,921.6667

If the quotient is a whole number, then 3 and 140,921.6667 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:

1 422,765
-1 -422,765

Let's try dividing by 4:

422,765 ÷ 4 = 105,691.25

If the quotient is a whole number, then 4 and 105,691.25 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:

1 422,765
-1 422,765
Keep dividing by the next highest number until you cannot divide anymore.

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

15735472352573291,2851,6451,7998,99512,07960,39584,553422,765
-1-5-7-35-47-235-257-329-1,285-1,645-1,799-8,995-12,079-60,395-84,553-422,765

More Examples

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