Q: What are the factor combinations of the number 502,031?

 A:
Positive:   1 x 50203159 x 850967 x 7493127 x 3953
Negative: -1 x -502031-59 x -8509-67 x -7493-127 x -3953


How do I find the factor combinations of the number 502,031?

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 502,031, 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.

1 502,031
-1 -502,031

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 502,031.

Example:
1 x 502,031 = 502,031
and
-1 x -502,031 = 502,031
Notice both answers equal 502,031

With that explanation out of the way, let's continue. Next, we take the number 502,031 and divide it by 2:

502,031 ÷ 2 = 251,015.5

If the quotient is a whole number, then 2 and 251,015.5 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:

1 502,031
-1 -502,031

Now, we try dividing 502,031 by 3:

502,031 ÷ 3 = 167,343.6667

If the quotient is a whole number, then 3 and 167,343.6667 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:

1 502,031
-1 -502,031

Let's try dividing by 4:

502,031 ÷ 4 = 125,507.75

If the quotient is a whole number, then 4 and 125,507.75 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:

1 502,031
-1 502,031
Keep dividing by the next highest number until you cannot divide anymore.

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

159671273,9537,4938,509502,031
-1-59-67-127-3,953-7,493-8,509-502,031

More Examples

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