Q: What are the factor combinations of the number 30,033,367?

 A:
Positive:   1 x 300333677 x 429048113 x 231025991 x 330037
Negative: -1 x -30033367-7 x -4290481-13 x -2310259-91 x -330037


How do I find the factor combinations of the number 30,033,367?

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 30,033,367, 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 30,033,367
-1 -30,033,367

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 30,033,367.

Example:
1 x 30,033,367 = 30,033,367
and
-1 x -30,033,367 = 30,033,367
Notice both answers equal 30,033,367

With that explanation out of the way, let's continue. Next, we take the number 30,033,367 and divide it by 2:

30,033,367 ÷ 2 = 15,016,683.5

If the quotient is a whole number, then 2 and 15,016,683.5 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 30,033,367
-1 -30,033,367

Now, we try dividing 30,033,367 by 3:

30,033,367 ÷ 3 = 10,011,122.3333

If the quotient is a whole number, then 3 and 10,011,122.3333 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 30,033,367
-1 -30,033,367

Let's try dividing by 4:

30,033,367 ÷ 4 = 7,508,341.75

If the quotient is a whole number, then 4 and 7,508,341.75 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 30,033,367
-1 30,033,367
Keep dividing by the next highest number until you cannot divide anymore.

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

171391330,0372,310,2594,290,48130,033,367
-1-7-13-91-330,037-2,310,259-4,290,481-30,033,367

More Examples

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