Q: What are the factor combinations of the number 212,933?

 A:
Positive:   1 x 2129337 x 3041919 x 11207133 x 1601
Negative: -1 x -212933-7 x -30419-19 x -11207-133 x -1601


How do I find the factor combinations of the number 212,933?

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 212,933, 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.

1 212,933
-1 -212,933

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 212,933.

Example:
1 x 212,933 = 212,933
and
-1 x -212,933 = 212,933
Notice both answers equal 212,933

With that explanation out of the way, let's continue. Next, we take the number 212,933 and divide it by 2:

212,933 ÷ 2 = 106,466.5

If the quotient is a whole number, then 2 and 106,466.5 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:

1 212,933
-1 -212,933

Now, we try dividing 212,933 by 3:

212,933 ÷ 3 = 70,977.6667

If the quotient is a whole number, then 3 and 70,977.6667 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:

1 212,933
-1 -212,933

Let's try dividing by 4:

212,933 ÷ 4 = 53,233.25

If the quotient is a whole number, then 4 and 53,233.25 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:

1 212,933
-1 212,933
Keep dividing by the next highest number until you cannot divide anymore.

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

17191331,60111,20730,419212,933
-1-7-19-133-1,601-11,207-30,419-212,933

More Examples

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