Q: What are the factor combinations of the number 248,837?

 A:
Positive:   1 x 24883723 x 1081931 x 8027349 x 713
Negative: -1 x -248837-23 x -10819-31 x -8027-349 x -713


How do I find the factor combinations of the number 248,837?

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 248,837, 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.

1 248,837
-1 -248,837

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 248,837.

Example:
1 x 248,837 = 248,837
and
-1 x -248,837 = 248,837
Notice both answers equal 248,837

With that explanation out of the way, let's continue. Next, we take the number 248,837 and divide it by 2:

248,837 ÷ 2 = 124,418.5

If the quotient is a whole number, then 2 and 124,418.5 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:

1 248,837
-1 -248,837

Now, we try dividing 248,837 by 3:

248,837 ÷ 3 = 82,945.6667

If the quotient is a whole number, then 3 and 82,945.6667 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:

1 248,837
-1 -248,837

Let's try dividing by 4:

248,837 ÷ 4 = 62,209.25

If the quotient is a whole number, then 4 and 62,209.25 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:

1 248,837
-1 248,837
Keep dividing by the next highest number until you cannot divide anymore.

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

123313497138,02710,819248,837
-1-23-31-349-713-8,027-10,819-248,837

More Examples

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