Q: What are the factor combinations of the number 107,203?

 A:
Positive:   1 x 10720323 x 466159 x 181779 x 1357
Negative: -1 x -107203-23 x -4661-59 x -1817-79 x -1357


How do I find the factor combinations of the number 107,203?

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 107,203, 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.

1 107,203
-1 -107,203

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 107,203.

Example:
1 x 107,203 = 107,203
and
-1 x -107,203 = 107,203
Notice both answers equal 107,203

With that explanation out of the way, let's continue. Next, we take the number 107,203 and divide it by 2:

107,203 ÷ 2 = 53,601.5

If the quotient is a whole number, then 2 and 53,601.5 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:

1 107,203
-1 -107,203

Now, we try dividing 107,203 by 3:

107,203 ÷ 3 = 35,734.3333

If the quotient is a whole number, then 3 and 35,734.3333 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:

1 107,203
-1 -107,203

Let's try dividing by 4:

107,203 ÷ 4 = 26,800.75

If the quotient is a whole number, then 4 and 26,800.75 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:

1 107,203
-1 107,203
Keep dividing by the next highest number until you cannot divide anymore.

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

12359791,3571,8174,661107,203
-1-23-59-79-1,357-1,817-4,661-107,203

More Examples

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