Q: What are the factor combinations of the number 240,360,625?

 A:
Positive:   1 x 2403606255 x 4807212525 x 9614425125 x 1922885625 x 384577
Negative: -1 x -240360625-5 x -48072125-25 x -9614425-125 x -1922885-625 x -384577


How do I find the factor combinations of the number 240,360,625?

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 240,360,625, 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.

1 240,360,625
-1 -240,360,625

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 240,360,625.

Example:
1 x 240,360,625 = 240,360,625
and
-1 x -240,360,625 = 240,360,625
Notice both answers equal 240,360,625

With that explanation out of the way, let's continue. Next, we take the number 240,360,625 and divide it by 2:

240,360,625 ÷ 2 = 120,180,312.5

If the quotient is a whole number, then 2 and 120,180,312.5 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:

1 240,360,625
-1 -240,360,625

Now, we try dividing 240,360,625 by 3:

240,360,625 ÷ 3 = 80,120,208.3333

If the quotient is a whole number, then 3 and 80,120,208.3333 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:

1 240,360,625
-1 -240,360,625

Let's try dividing by 4:

240,360,625 ÷ 4 = 60,090,156.25

If the quotient is a whole number, then 4 and 60,090,156.25 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:

1 240,360,625
-1 240,360,625
Keep dividing by the next highest number until you cannot divide anymore.

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

1525125625384,5771,922,8859,614,42548,072,125240,360,625
-1-5-25-125-625-384,577-1,922,885-9,614,425-48,072,125-240,360,625

More Examples

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