Q: What are the factor combinations of the number 122,927?

 A:
Positive:   1 x 1229277 x 1756117 x 7231119 x 1033
Negative: -1 x -122927-7 x -17561-17 x -7231-119 x -1033


How do I find the factor combinations of the number 122,927?

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 122,927, 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.

1 122,927
-1 -122,927

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 122,927.

Example:
1 x 122,927 = 122,927
and
-1 x -122,927 = 122,927
Notice both answers equal 122,927

With that explanation out of the way, let's continue. Next, we take the number 122,927 and divide it by 2:

122,927 ÷ 2 = 61,463.5

If the quotient is a whole number, then 2 and 61,463.5 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:

1 122,927
-1 -122,927

Now, we try dividing 122,927 by 3:

122,927 ÷ 3 = 40,975.6667

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

1 122,927
-1 -122,927

Let's try dividing by 4:

122,927 ÷ 4 = 30,731.75

If the quotient is a whole number, then 4 and 30,731.75 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:

1 122,927
-1 122,927
Keep dividing by the next highest number until you cannot divide anymore.

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

17171191,0337,23117,561122,927
-1-7-17-119-1,033-7,231-17,561-122,927

More Examples

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