Q: What are the factor combinations of the number 93,243?

 A:
Positive:   1 x 932433 x 31081
Negative: -1 x -93243-3 x -31081


How do I find the factor combinations of the number 93,243?

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 93,243, 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 93,243
-1 -93,243

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 93,243.

Example:
1 x 93,243 = 93,243
and
-1 x -93,243 = 93,243
Notice both answers equal 93,243

With that explanation out of the way, let's continue. Next, we take the number 93,243 and divide it by 2:

93,243 ÷ 2 = 46,621.5

If the quotient is a whole number, then 2 and 46,621.5 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 93,243
-1 -93,243

Now, we try dividing 93,243 by 3:

93,243 ÷ 3 = 31,081

If the quotient is a whole number, then 3 and 31,081 are factors. In this case, the quotient is a whole number. Write them in the table inside the other two factors like the below example. Don't forget to write the negative numbers too!

Here is what our table should look like at this step:

1 3 31,081 93,243
-1 -3 -31,081 -93,243

Let's try dividing by 4:

93,243 ÷ 4 = 23,310.75

If the quotient is a whole number, then 4 and 23,310.75 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 3 31,081 93,243
-1 -3 -31,081 93,243
Keep dividing by the next highest number until you cannot divide anymore.

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

1331,08193,243
-1-3-31,081-93,243

More Examples

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