Q: What are the factor combinations of the number 322,385?

 A:
Positive:   1 x 3223855 x 644777 x 4605535 x 921161 x 5285151 x 2135305 x 1057427 x 755
Negative: -1 x -322385-5 x -64477-7 x -46055-35 x -9211-61 x -5285-151 x -2135-305 x -1057-427 x -755


How do I find the factor combinations of the number 322,385?

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 322,385, 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.

1 322,385
-1 -322,385

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 322,385.

Example:
1 x 322,385 = 322,385
and
-1 x -322,385 = 322,385
Notice both answers equal 322,385

With that explanation out of the way, let's continue. Next, we take the number 322,385 and divide it by 2:

322,385 ÷ 2 = 161,192.5

If the quotient is a whole number, then 2 and 161,192.5 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:

1 322,385
-1 -322,385

Now, we try dividing 322,385 by 3:

322,385 ÷ 3 = 107,461.6667

If the quotient is a whole number, then 3 and 107,461.6667 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:

1 322,385
-1 -322,385

Let's try dividing by 4:

322,385 ÷ 4 = 80,596.25

If the quotient is a whole number, then 4 and 80,596.25 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:

1 322,385
-1 322,385
Keep dividing by the next highest number until you cannot divide anymore.

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

15735611513054277551,0572,1355,2859,21146,05564,477322,385
-1-5-7-35-61-151-305-427-755-1,057-2,135-5,285-9,211-46,055-64,477-322,385

More Examples

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