Q: What are the factor combinations of the number 237,391?

 A:
Positive:   1 x 2373917 x 3391311 x 2158177 x 3083
Negative: -1 x -237391-7 x -33913-11 x -21581-77 x -3083


How do I find the factor combinations of the number 237,391?

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 237,391, 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.

1 237,391
-1 -237,391

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 237,391.

Example:
1 x 237,391 = 237,391
and
-1 x -237,391 = 237,391
Notice both answers equal 237,391

With that explanation out of the way, let's continue. Next, we take the number 237,391 and divide it by 2:

237,391 ÷ 2 = 118,695.5

If the quotient is a whole number, then 2 and 118,695.5 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:

1 237,391
-1 -237,391

Now, we try dividing 237,391 by 3:

237,391 ÷ 3 = 79,130.3333

If the quotient is a whole number, then 3 and 79,130.3333 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:

1 237,391
-1 -237,391

Let's try dividing by 4:

237,391 ÷ 4 = 59,347.75

If the quotient is a whole number, then 4 and 59,347.75 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:

1 237,391
-1 237,391
Keep dividing by the next highest number until you cannot divide anymore.

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

1711773,08321,58133,913237,391
-1-7-11-77-3,083-21,581-33,913-237,391

More Examples

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