Q: What are the factor combinations of the number 98,747?

 A:
Positive:   1 x 9874711 x 897747 x 2101191 x 517
Negative: -1 x -98747-11 x -8977-47 x -2101-191 x -517


How do I find the factor combinations of the number 98,747?

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 98,747, 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 98,747
-1 -98,747

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 98,747.

Example:
1 x 98,747 = 98,747
and
-1 x -98,747 = 98,747
Notice both answers equal 98,747

With that explanation out of the way, let's continue. Next, we take the number 98,747 and divide it by 2:

98,747 ÷ 2 = 49,373.5

If the quotient is a whole number, then 2 and 49,373.5 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 98,747
-1 -98,747

Now, we try dividing 98,747 by 3:

98,747 ÷ 3 = 32,915.6667

If the quotient is a whole number, then 3 and 32,915.6667 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 98,747
-1 -98,747

Let's try dividing by 4:

98,747 ÷ 4 = 24,686.75

If the quotient is a whole number, then 4 and 24,686.75 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 98,747
-1 98,747
Keep dividing by the next highest number until you cannot divide anymore.

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

111471915172,1018,97798,747
-1-11-47-191-517-2,101-8,977-98,747

More Examples

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