Q: What are the factor combinations of the number 120,026,525?

 A:
Positive:   1 x 1200265255 x 2400530525 x 4801061
Negative: -1 x -120026525-5 x -24005305-25 x -4801061


How do I find the factor combinations of the number 120,026,525?

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 120,026,525, 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.

1 120,026,525
-1 -120,026,525

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 120,026,525.

Example:
1 x 120,026,525 = 120,026,525
and
-1 x -120,026,525 = 120,026,525
Notice both answers equal 120,026,525

With that explanation out of the way, let's continue. Next, we take the number 120,026,525 and divide it by 2:

120,026,525 ÷ 2 = 60,013,262.5

If the quotient is a whole number, then 2 and 60,013,262.5 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:

1 120,026,525
-1 -120,026,525

Now, we try dividing 120,026,525 by 3:

120,026,525 ÷ 3 = 40,008,841.6667

If the quotient is a whole number, then 3 and 40,008,841.6667 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:

1 120,026,525
-1 -120,026,525

Let's try dividing by 4:

120,026,525 ÷ 4 = 30,006,631.25

If the quotient is a whole number, then 4 and 30,006,631.25 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:

1 120,026,525
-1 120,026,525
Keep dividing by the next highest number until you cannot divide anymore.

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

15254,801,06124,005,305120,026,525
-1-5-25-4,801,061-24,005,305-120,026,525

More Examples

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