Q: What are the factor combinations of the number 270,736,747?

 A:
Positive:   1 x 27073674717 x 15925691
Negative: -1 x -270736747-17 x -15925691


How do I find the factor combinations of the number 270,736,747?

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 270,736,747, 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.

1 270,736,747
-1 -270,736,747

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 270,736,747.

Example:
1 x 270,736,747 = 270,736,747
and
-1 x -270,736,747 = 270,736,747
Notice both answers equal 270,736,747

With that explanation out of the way, let's continue. Next, we take the number 270,736,747 and divide it by 2:

270,736,747 ÷ 2 = 135,368,373.5

If the quotient is a whole number, then 2 and 135,368,373.5 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:

1 270,736,747
-1 -270,736,747

Now, we try dividing 270,736,747 by 3:

270,736,747 ÷ 3 = 90,245,582.3333

If the quotient is a whole number, then 3 and 90,245,582.3333 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:

1 270,736,747
-1 -270,736,747

Let's try dividing by 4:

270,736,747 ÷ 4 = 67,684,186.75

If the quotient is a whole number, then 4 and 67,684,186.75 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:

1 270,736,747
-1 270,736,747
Keep dividing by the next highest number until you cannot divide anymore.

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

11715,925,691270,736,747
-1-17-15,925,691-270,736,747

More Examples

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