Q: What are the factor combinations of the number 700,519?

 A:
Positive:   1 x 70051917 x 4120789 x 7871463 x 1513
Negative: -1 x -700519-17 x -41207-89 x -7871-463 x -1513


How do I find the factor combinations of the number 700,519?

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 700,519, 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.

1 700,519
-1 -700,519

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 700,519.

Example:
1 x 700,519 = 700,519
and
-1 x -700,519 = 700,519
Notice both answers equal 700,519

With that explanation out of the way, let's continue. Next, we take the number 700,519 and divide it by 2:

700,519 ÷ 2 = 350,259.5

If the quotient is a whole number, then 2 and 350,259.5 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:

1 700,519
-1 -700,519

Now, we try dividing 700,519 by 3:

700,519 ÷ 3 = 233,506.3333

If the quotient is a whole number, then 3 and 233,506.3333 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:

1 700,519
-1 -700,519

Let's try dividing by 4:

700,519 ÷ 4 = 175,129.75

If the quotient is a whole number, then 4 and 175,129.75 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:

1 700,519
-1 700,519
Keep dividing by the next highest number until you cannot divide anymore.

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

117894631,5137,87141,207700,519
-1-17-89-463-1,513-7,871-41,207-700,519

More Examples

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