Q: What are the factor combinations of the number 449,346?

 A:
Positive:   1 x 4493462 x 2246733 x 1497826 x 74891
Negative: -1 x -449346-2 x -224673-3 x -149782-6 x -74891


How do I find the factor combinations of the number 449,346?

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 449,346, 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.

1 449,346
-1 -449,346

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 449,346.

Example:
1 x 449,346 = 449,346
and
-1 x -449,346 = 449,346
Notice both answers equal 449,346

With that explanation out of the way, let's continue. Next, we take the number 449,346 and divide it by 2:

449,346 ÷ 2 = 224,673

If the quotient is a whole number, then 2 and 224,673 are factors. In this case, the quotient is a whole number. Write them in the table inside the other two factors like the below example. Don't forget to write the negative numbers too!

Here is what our table should look like at this step:

1 2 224,673 449,346
-1 -2 -224,673 -449,346

Now, we try dividing 449,346 by 3:

449,346 ÷ 3 = 149,782

If the quotient is a whole number, then 3 and 149,782 are factors. In this case, the quotient is a whole number. Write them in the table inside the other two factors like the below example. Don't forget to write the negative numbers too!

Here is what our table should look like at this step:

1 2 3 149,782 224,673 449,346
-1 -2 -3 -149,782 -224,673 -449,346

Let's try dividing by 4:

449,346 ÷ 4 = 112,336.5

If the quotient is a whole number, then 4 and 112,336.5 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 2 3 149,782 224,673 449,346
-1 -2 -3 -149,782 -224,673 449,346
Keep dividing by the next highest number until you cannot divide anymore.

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

123674,891149,782224,673449,346
-1-2-3-6-74,891-149,782-224,673-449,346

More Examples

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