Q: What are the factor combinations of the number 120,967?

 A:
Positive:   1 x 1209677 x 1728111 x 1099777 x 1571
Negative: -1 x -120967-7 x -17281-11 x -10997-77 x -1571


How do I find the factor combinations of the number 120,967?

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 120,967, 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.

1 120,967
-1 -120,967

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 120,967.

Example:
1 x 120,967 = 120,967
and
-1 x -120,967 = 120,967
Notice both answers equal 120,967

With that explanation out of the way, let's continue. Next, we take the number 120,967 and divide it by 2:

120,967 ÷ 2 = 60,483.5

If the quotient is a whole number, then 2 and 60,483.5 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:

1 120,967
-1 -120,967

Now, we try dividing 120,967 by 3:

120,967 ÷ 3 = 40,322.3333

If the quotient is a whole number, then 3 and 40,322.3333 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:

1 120,967
-1 -120,967

Let's try dividing by 4:

120,967 ÷ 4 = 30,241.75

If the quotient is a whole number, then 4 and 30,241.75 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:

1 120,967
-1 120,967
Keep dividing by the next highest number until you cannot divide anymore.

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

1711771,57110,99717,281120,967
-1-7-11-77-1,571-10,997-17,281-120,967

More Examples

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