Q: What are the factor combinations of the number 208,937?

 A:
Positive:   1 x 20893743 x 4859113 x 1849
Negative: -1 x -208937-43 x -4859-113 x -1849


How do I find the factor combinations of the number 208,937?

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 208,937, 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.

1 208,937
-1 -208,937

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 208,937.

Example:
1 x 208,937 = 208,937
and
-1 x -208,937 = 208,937
Notice both answers equal 208,937

With that explanation out of the way, let's continue. Next, we take the number 208,937 and divide it by 2:

208,937 ÷ 2 = 104,468.5

If the quotient is a whole number, then 2 and 104,468.5 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:

1 208,937
-1 -208,937

Now, we try dividing 208,937 by 3:

208,937 ÷ 3 = 69,645.6667

If the quotient is a whole number, then 3 and 69,645.6667 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:

1 208,937
-1 -208,937

Let's try dividing by 4:

208,937 ÷ 4 = 52,234.25

If the quotient is a whole number, then 4 and 52,234.25 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:

1 208,937
-1 208,937
Keep dividing by the next highest number until you cannot divide anymore.

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

1431131,8494,859208,937
-1-43-113-1,849-4,859-208,937

More Examples

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