Q: What are the factor combinations of the number 230,670,725?

 A:
Positive:   1 x 2306707255 x 4613414525 x 9226829263 x 8770751315 x 1754156575 x 35083
Negative: -1 x -230670725-5 x -46134145-25 x -9226829-263 x -877075-1315 x -175415-6575 x -35083


How do I find the factor combinations of the number 230,670,725?

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 230,670,725, 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.

1 230,670,725
-1 -230,670,725

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 230,670,725.

Example:
1 x 230,670,725 = 230,670,725
and
-1 x -230,670,725 = 230,670,725
Notice both answers equal 230,670,725

With that explanation out of the way, let's continue. Next, we take the number 230,670,725 and divide it by 2:

230,670,725 ÷ 2 = 115,335,362.5

If the quotient is a whole number, then 2 and 115,335,362.5 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:

1 230,670,725
-1 -230,670,725

Now, we try dividing 230,670,725 by 3:

230,670,725 ÷ 3 = 76,890,241.6667

If the quotient is a whole number, then 3 and 76,890,241.6667 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:

1 230,670,725
-1 -230,670,725

Let's try dividing by 4:

230,670,725 ÷ 4 = 57,667,681.25

If the quotient is a whole number, then 4 and 57,667,681.25 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:

1 230,670,725
-1 230,670,725
Keep dividing by the next highest number until you cannot divide anymore.

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

15252631,3156,57535,083175,415877,0759,226,82946,134,145230,670,725
-1-5-25-263-1,315-6,575-35,083-175,415-877,075-9,226,829-46,134,145-230,670,725

More Examples

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