Q: What are the factor combinations of the number 392,483?

 A:
Positive:   1 x 3924837 x 5606913 x 3019119 x 2065791 x 4313133 x 2951227 x 1729247 x 1589
Negative: -1 x -392483-7 x -56069-13 x -30191-19 x -20657-91 x -4313-133 x -2951-227 x -1729-247 x -1589


How do I find the factor combinations of the number 392,483?

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 392,483, 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.

1 392,483
-1 -392,483

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 392,483.

Example:
1 x 392,483 = 392,483
and
-1 x -392,483 = 392,483
Notice both answers equal 392,483

With that explanation out of the way, let's continue. Next, we take the number 392,483 and divide it by 2:

392,483 ÷ 2 = 196,241.5

If the quotient is a whole number, then 2 and 196,241.5 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:

1 392,483
-1 -392,483

Now, we try dividing 392,483 by 3:

392,483 ÷ 3 = 130,827.6667

If the quotient is a whole number, then 3 and 130,827.6667 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:

1 392,483
-1 -392,483

Let's try dividing by 4:

392,483 ÷ 4 = 98,120.75

If the quotient is a whole number, then 4 and 98,120.75 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:

1 392,483
-1 392,483
Keep dividing by the next highest number until you cannot divide anymore.

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

171319911332272471,5891,7292,9514,31320,65730,19156,069392,483
-1-7-13-19-91-133-227-247-1,589-1,729-2,951-4,313-20,657-30,191-56,069-392,483

More Examples

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