Q: What are the factor combinations of the number 120,869,927?

 A:
Positive:   1 x 12086992741 x 2948047257 x 47031110537 x 11471
Negative: -1 x -120869927-41 x -2948047-257 x -470311-10537 x -11471


How do I find the factor combinations of the number 120,869,927?

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 120,869,927, 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.

1 120,869,927
-1 -120,869,927

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 120,869,927.

Example:
1 x 120,869,927 = 120,869,927
and
-1 x -120,869,927 = 120,869,927
Notice both answers equal 120,869,927

With that explanation out of the way, let's continue. Next, we take the number 120,869,927 and divide it by 2:

120,869,927 ÷ 2 = 60,434,963.5

If the quotient is a whole number, then 2 and 60,434,963.5 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:

1 120,869,927
-1 -120,869,927

Now, we try dividing 120,869,927 by 3:

120,869,927 ÷ 3 = 40,289,975.6667

If the quotient is a whole number, then 3 and 40,289,975.6667 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:

1 120,869,927
-1 -120,869,927

Let's try dividing by 4:

120,869,927 ÷ 4 = 30,217,481.75

If the quotient is a whole number, then 4 and 30,217,481.75 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:

1 120,869,927
-1 120,869,927
Keep dividing by the next highest number until you cannot divide anymore.

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

14125710,53711,471470,3112,948,047120,869,927
-1-41-257-10,537-11,471-470,311-2,948,047-120,869,927

More Examples

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