Q: What are the factor combinations of the number 127,937?

 A:
Positive:   1 x 12793731 x 4127
Negative: -1 x -127937-31 x -4127


How do I find the factor combinations of the number 127,937?

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 127,937, 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.

1 127,937
-1 -127,937

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 127,937.

Example:
1 x 127,937 = 127,937
and
-1 x -127,937 = 127,937
Notice both answers equal 127,937

With that explanation out of the way, let's continue. Next, we take the number 127,937 and divide it by 2:

127,937 ÷ 2 = 63,968.5

If the quotient is a whole number, then 2 and 63,968.5 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:

1 127,937
-1 -127,937

Now, we try dividing 127,937 by 3:

127,937 ÷ 3 = 42,645.6667

If the quotient is a whole number, then 3 and 42,645.6667 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:

1 127,937
-1 -127,937

Let's try dividing by 4:

127,937 ÷ 4 = 31,984.25

If the quotient is a whole number, then 4 and 31,984.25 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:

1 127,937
-1 127,937
Keep dividing by the next highest number until you cannot divide anymore.

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

1314,127127,937
-1-31-4,127-127,937

More Examples

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