Q: What are the factor combinations of the number 133,634,273?

 A:
Positive:   1 x 13363427331 x 4310783
Negative: -1 x -133634273-31 x -4310783


How do I find the factor combinations of the number 133,634,273?

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 133,634,273, 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.

1 133,634,273
-1 -133,634,273

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 133,634,273.

Example:
1 x 133,634,273 = 133,634,273
and
-1 x -133,634,273 = 133,634,273
Notice both answers equal 133,634,273

With that explanation out of the way, let's continue. Next, we take the number 133,634,273 and divide it by 2:

133,634,273 ÷ 2 = 66,817,136.5

If the quotient is a whole number, then 2 and 66,817,136.5 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:

1 133,634,273
-1 -133,634,273

Now, we try dividing 133,634,273 by 3:

133,634,273 ÷ 3 = 44,544,757.6667

If the quotient is a whole number, then 3 and 44,544,757.6667 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:

1 133,634,273
-1 -133,634,273

Let's try dividing by 4:

133,634,273 ÷ 4 = 33,408,568.25

If the quotient is a whole number, then 4 and 33,408,568.25 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:

1 133,634,273
-1 133,634,273
Keep dividing by the next highest number until you cannot divide anymore.

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

1314,310,783133,634,273
-1-31-4,310,783-133,634,273

More Examples

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