Q: What are the factor combinations of the number 43,212,388?

 A:
Positive:   1 x 432123882 x 216061944 x 1080309731 x 139394862 x 696974124 x 348487
Negative: -1 x -43212388-2 x -21606194-4 x -10803097-31 x -1393948-62 x -696974-124 x -348487


How do I find the factor combinations of the number 43,212,388?

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 43,212,388, 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 43,212,388
-1 -43,212,388

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 43,212,388.

Example:
1 x 43,212,388 = 43,212,388
and
-1 x -43,212,388 = 43,212,388
Notice both answers equal 43,212,388

With that explanation out of the way, let's continue. Next, we take the number 43,212,388 and divide it by 2:

43,212,388 ÷ 2 = 21,606,194

If the quotient is a whole number, then 2 and 21,606,194 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 21,606,194 43,212,388
-1 -2 -21,606,194 -43,212,388

Now, we try dividing 43,212,388 by 3:

43,212,388 ÷ 3 = 14,404,129.3333

If the quotient is a whole number, then 3 and 14,404,129.3333 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 21,606,194 43,212,388
-1 -2 -21,606,194 -43,212,388

Let's try dividing by 4:

43,212,388 ÷ 4 = 10,803,097

If the quotient is a whole number, then 4 and 10,803,097 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 10,803,097 21,606,194 43,212,388
-1 -2 -4 -10,803,097 -21,606,194 43,212,388
Keep dividing by the next highest number until you cannot divide anymore.

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

1243162124348,487696,9741,393,94810,803,09721,606,19443,212,388
-1-2-4-31-62-124-348,487-696,974-1,393,948-10,803,097-21,606,194-43,212,388

More Examples

Here are some more numbers to try:

Try the factor calculator

Explore more about the number 43,212,388:


Ask a Question