Q: What are the factor combinations of the number 124,164?

 A:
Positive:   1 x 1241642 x 620823 x 413884 x 310416 x 206949 x 1379612 x 1034718 x 689836 x 3449
Negative: -1 x -124164-2 x -62082-3 x -41388-4 x -31041-6 x -20694-9 x -13796-12 x -10347-18 x -6898-36 x -3449


How do I find the factor combinations of the number 124,164?

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 124,164, 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.

1 124,164
-1 -124,164

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 124,164.

Example:
1 x 124,164 = 124,164
and
-1 x -124,164 = 124,164
Notice both answers equal 124,164

With that explanation out of the way, let's continue. Next, we take the number 124,164 and divide it by 2:

124,164 ÷ 2 = 62,082

If the quotient is a whole number, then 2 and 62,082 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 2 62,082 124,164
-1 -2 -62,082 -124,164

Now, we try dividing 124,164 by 3:

124,164 ÷ 3 = 41,388

If the quotient is a whole number, then 3 and 41,388 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 2 3 41,388 62,082 124,164
-1 -2 -3 -41,388 -62,082 -124,164

Let's try dividing by 4:

124,164 ÷ 4 = 31,041

If the quotient is a whole number, then 4 and 31,041 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 2 3 4 31,041 41,388 62,082 124,164
-1 -2 -3 -4 -31,041 -41,388 -62,082 124,164
Keep dividing by the next highest number until you cannot divide anymore.

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

1234691218363,4496,89810,34713,79620,69431,04141,38862,082124,164
-1-2-3-4-6-9-12-18-36-3,449-6,898-10,347-13,796-20,694-31,041-41,388-62,082-124,164

More Examples

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