Q: What are the factor combinations of the number 33,240,224?

 A:
Positive:   1 x 332402242 x 166201124 x 83100568 x 415502816 x 207751432 x 1038757
Negative: -1 x -33240224-2 x -16620112-4 x -8310056-8 x -4155028-16 x -2077514-32 x -1038757


How do I find the factor combinations of the number 33,240,224?

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 33,240,224, 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 33,240,224
-1 -33,240,224

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 33,240,224.

Example:
1 x 33,240,224 = 33,240,224
and
-1 x -33,240,224 = 33,240,224
Notice both answers equal 33,240,224

With that explanation out of the way, let's continue. Next, we take the number 33,240,224 and divide it by 2:

33,240,224 ÷ 2 = 16,620,112

If the quotient is a whole number, then 2 and 16,620,112 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 16,620,112 33,240,224
-1 -2 -16,620,112 -33,240,224

Now, we try dividing 33,240,224 by 3:

33,240,224 ÷ 3 = 11,080,074.6667

If the quotient is a whole number, then 3 and 11,080,074.6667 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 2 16,620,112 33,240,224
-1 -2 -16,620,112 -33,240,224

Let's try dividing by 4:

33,240,224 ÷ 4 = 8,310,056

If the quotient is a whole number, then 4 and 8,310,056 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 8,310,056 16,620,112 33,240,224
-1 -2 -4 -8,310,056 -16,620,112 33,240,224
Keep dividing by the next highest number until you cannot divide anymore.

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

124816321,038,7572,077,5144,155,0288,310,05616,620,11233,240,224
-1-2-4-8-16-32-1,038,757-2,077,514-4,155,028-8,310,056-16,620,112-33,240,224

More Examples

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