Q: What are the factor combinations of the number 35,500,727?

 A:
Positive:   1 x 3550072729 x 1224163
Negative: -1 x -35500727-29 x -1224163


How do I find the factor combinations of the number 35,500,727?

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 35,500,727, 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 35,500,727
-1 -35,500,727

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 35,500,727.

Example:
1 x 35,500,727 = 35,500,727
and
-1 x -35,500,727 = 35,500,727
Notice both answers equal 35,500,727

With that explanation out of the way, let's continue. Next, we take the number 35,500,727 and divide it by 2:

35,500,727 ÷ 2 = 17,750,363.5

If the quotient is a whole number, then 2 and 17,750,363.5 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 35,500,727
-1 -35,500,727

Now, we try dividing 35,500,727 by 3:

35,500,727 ÷ 3 = 11,833,575.6667

If the quotient is a whole number, then 3 and 11,833,575.6667 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 35,500,727
-1 -35,500,727

Let's try dividing by 4:

35,500,727 ÷ 4 = 8,875,181.75

If the quotient is a whole number, then 4 and 8,875,181.75 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 35,500,727
-1 35,500,727
Keep dividing by the next highest number until you cannot divide anymore.

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

1291,224,16335,500,727
-1-29-1,224,163-35,500,727

More Examples

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