Q: What are the factor combinations of the number 562,807?

 A:
Positive:   1 x 5628077 x 8040137 x 1521141 x 1372753 x 10619259 x 2173287 x 1961371 x 1517
Negative: -1 x -562807-7 x -80401-37 x -15211-41 x -13727-53 x -10619-259 x -2173-287 x -1961-371 x -1517


How do I find the factor combinations of the number 562,807?

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 562,807, 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.

1 562,807
-1 -562,807

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 562,807.

Example:
1 x 562,807 = 562,807
and
-1 x -562,807 = 562,807
Notice both answers equal 562,807

With that explanation out of the way, let's continue. Next, we take the number 562,807 and divide it by 2:

562,807 ÷ 2 = 281,403.5

If the quotient is a whole number, then 2 and 281,403.5 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:

1 562,807
-1 -562,807

Now, we try dividing 562,807 by 3:

562,807 ÷ 3 = 187,602.3333

If the quotient is a whole number, then 3 and 187,602.3333 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:

1 562,807
-1 -562,807

Let's try dividing by 4:

562,807 ÷ 4 = 140,701.75

If the quotient is a whole number, then 4 and 140,701.75 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:

1 562,807
-1 562,807
Keep dividing by the next highest number until you cannot divide anymore.

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

173741532592873711,5171,9612,17310,61913,72715,21180,401562,807
-1-7-37-41-53-259-287-371-1,517-1,961-2,173-10,619-13,727-15,211-80,401-562,807

More Examples

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