Q: What are the factor combinations of the number 472,949?

 A:
Positive:   1 x 47294923 x 20563
Negative: -1 x -472949-23 x -20563


How do I find the factor combinations of the number 472,949?

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 472,949, 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.

1 472,949
-1 -472,949

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 472,949.

Example:
1 x 472,949 = 472,949
and
-1 x -472,949 = 472,949
Notice both answers equal 472,949

With that explanation out of the way, let's continue. Next, we take the number 472,949 and divide it by 2:

472,949 ÷ 2 = 236,474.5

If the quotient is a whole number, then 2 and 236,474.5 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:

1 472,949
-1 -472,949

Now, we try dividing 472,949 by 3:

472,949 ÷ 3 = 157,649.6667

If the quotient is a whole number, then 3 and 157,649.6667 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:

1 472,949
-1 -472,949

Let's try dividing by 4:

472,949 ÷ 4 = 118,237.25

If the quotient is a whole number, then 4 and 118,237.25 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:

1 472,949
-1 472,949
Keep dividing by the next highest number until you cannot divide anymore.

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

12320,563472,949
-1-23-20,563-472,949

More Examples

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