Q: What are the factor combinations of the number 140,855?

 A:
Positive:   1 x 1408555 x 2817111 x 1280513 x 1083555 x 256165 x 2167143 x 985197 x 715
Negative: -1 x -140855-5 x -28171-11 x -12805-13 x -10835-55 x -2561-65 x -2167-143 x -985-197 x -715


How do I find the factor combinations of the number 140,855?

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 140,855, 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.

1 140,855
-1 -140,855

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 140,855.

Example:
1 x 140,855 = 140,855
and
-1 x -140,855 = 140,855
Notice both answers equal 140,855

With that explanation out of the way, let's continue. Next, we take the number 140,855 and divide it by 2:

140,855 ÷ 2 = 70,427.5

If the quotient is a whole number, then 2 and 70,427.5 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:

1 140,855
-1 -140,855

Now, we try dividing 140,855 by 3:

140,855 ÷ 3 = 46,951.6667

If the quotient is a whole number, then 3 and 46,951.6667 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:

1 140,855
-1 -140,855

Let's try dividing by 4:

140,855 ÷ 4 = 35,213.75

If the quotient is a whole number, then 4 and 35,213.75 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:

1 140,855
-1 140,855
Keep dividing by the next highest number until you cannot divide anymore.

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

15111355651431977159852,1672,56110,83512,80528,171140,855
-1-5-11-13-55-65-143-197-715-985-2,167-2,561-10,835-12,805-28,171-140,855

More Examples

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