Q: What are the factor combinations of the number 124,411,312?

 A:
Positive:   1 x 1244113122 x 622056564 x 311028288 x 1555141416 x 777570771 x 1752272142 x 876136284 x 438068568 x 2190341136 x 109517
Negative: -1 x -124411312-2 x -62205656-4 x -31102828-8 x -15551414-16 x -7775707-71 x -1752272-142 x -876136-284 x -438068-568 x -219034-1136 x -109517


How do I find the factor combinations of the number 124,411,312?

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 124,411,312, 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.

1 124,411,312
-1 -124,411,312

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 124,411,312.

Example:
1 x 124,411,312 = 124,411,312
and
-1 x -124,411,312 = 124,411,312
Notice both answers equal 124,411,312

With that explanation out of the way, let's continue. Next, we take the number 124,411,312 and divide it by 2:

124,411,312 ÷ 2 = 62,205,656

If the quotient is a whole number, then 2 and 62,205,656 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 62,205,656 124,411,312
-1 -2 -62,205,656 -124,411,312

Now, we try dividing 124,411,312 by 3:

124,411,312 ÷ 3 = 41,470,437.3333

If the quotient is a whole number, then 3 and 41,470,437.3333 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 2 62,205,656 124,411,312
-1 -2 -62,205,656 -124,411,312

Let's try dividing by 4:

124,411,312 ÷ 4 = 31,102,828

If the quotient is a whole number, then 4 and 31,102,828 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 4 31,102,828 62,205,656 124,411,312
-1 -2 -4 -31,102,828 -62,205,656 124,411,312
Keep dividing by the next highest number until you cannot divide anymore.

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

124816711422845681,136109,517219,034438,068876,1361,752,2727,775,70715,551,41431,102,82862,205,656124,411,312
-1-2-4-8-16-71-142-284-568-1,136-109,517-219,034-438,068-876,136-1,752,272-7,775,707-15,551,414-31,102,828-62,205,656-124,411,312

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