Q: What are the factor combinations of the number 70,076?

 A:
Positive:   1 x 700762 x 350384 x 17519
Negative: -1 x -70076-2 x -35038-4 x -17519


How do I find the factor combinations of the number 70,076?

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 70,076, 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 70,076
-1 -70,076

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 70,076.

Example:
1 x 70,076 = 70,076
and
-1 x -70,076 = 70,076
Notice both answers equal 70,076

With that explanation out of the way, let's continue. Next, we take the number 70,076 and divide it by 2:

70,076 ÷ 2 = 35,038

If the quotient is a whole number, then 2 and 35,038 are factors. In this case, the quotient is a whole number. Write them in the table inside the other two factors like the below example. Don't forget to write the negative numbers too!

Here is what our table should look like at this step:

1 2 35,038 70,076
-1 -2 -35,038 -70,076

Now, we try dividing 70,076 by 3:

70,076 ÷ 3 = 23,358.6667

If the quotient is a whole number, then 3 and 23,358.6667 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 2 35,038 70,076
-1 -2 -35,038 -70,076

Let's try dividing by 4:

70,076 ÷ 4 = 17,519

If the quotient is a whole number, then 4 and 17,519 are factors. In this case, the quotient is a whole number. Write them in the table inside the other two factors like the below example. Don't forget to write the negative numbers too!

Here is what our table should look like at this step:

1 2 4 17,519 35,038 70,076
-1 -2 -4 -17,519 -35,038 70,076
Keep dividing by the next highest number until you cannot divide anymore.

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

12417,51935,03870,076
-1-2-4-17,519-35,038-70,076

More Examples

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