Q: What are the factor combinations of the number 980,765?

 A:
Positive:   1 x 9807655 x 19615353 x 18505265 x 3701
Negative: -1 x -980765-5 x -196153-53 x -18505-265 x -3701


How do I find the factor combinations of the number 980,765?

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 980,765, 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.

1 980,765
-1 -980,765

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 980,765.

Example:
1 x 980,765 = 980,765
and
-1 x -980,765 = 980,765
Notice both answers equal 980,765

With that explanation out of the way, let's continue. Next, we take the number 980,765 and divide it by 2:

980,765 ÷ 2 = 490,382.5

If the quotient is a whole number, then 2 and 490,382.5 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:

1 980,765
-1 -980,765

Now, we try dividing 980,765 by 3:

980,765 ÷ 3 = 326,921.6667

If the quotient is a whole number, then 3 and 326,921.6667 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:

1 980,765
-1 -980,765

Let's try dividing by 4:

980,765 ÷ 4 = 245,191.25

If the quotient is a whole number, then 4 and 245,191.25 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:

1 980,765
-1 980,765
Keep dividing by the next highest number until you cannot divide anymore.

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

15532653,70118,505196,153980,765
-1-5-53-265-3,701-18,505-196,153-980,765

More Examples

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