Q: What are the factor combinations of the number 107,425?

 A:
Positive:   1 x 1074255 x 2148525 x 4297
Negative: -1 x -107425-5 x -21485-25 x -4297


How do I find the factor combinations of the number 107,425?

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 107,425, 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.

1 107,425
-1 -107,425

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 107,425.

Example:
1 x 107,425 = 107,425
and
-1 x -107,425 = 107,425
Notice both answers equal 107,425

With that explanation out of the way, let's continue. Next, we take the number 107,425 and divide it by 2:

107,425 ÷ 2 = 53,712.5

If the quotient is a whole number, then 2 and 53,712.5 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:

1 107,425
-1 -107,425

Now, we try dividing 107,425 by 3:

107,425 ÷ 3 = 35,808.3333

If the quotient is a whole number, then 3 and 35,808.3333 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:

1 107,425
-1 -107,425

Let's try dividing by 4:

107,425 ÷ 4 = 26,856.25

If the quotient is a whole number, then 4 and 26,856.25 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:

1 107,425
-1 107,425
Keep dividing by the next highest number until you cannot divide anymore.

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

15254,29721,485107,425
-1-5-25-4,297-21,485-107,425

More Examples

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