Q: What are the factor combinations of the number 830,149?

 A:
Positive:   1 x 83014931 x 2677961 x 13609439 x 1891
Negative: -1 x -830149-31 x -26779-61 x -13609-439 x -1891


How do I find the factor combinations of the number 830,149?

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 830,149, 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.

1 830,149
-1 -830,149

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 830,149.

Example:
1 x 830,149 = 830,149
and
-1 x -830,149 = 830,149
Notice both answers equal 830,149

With that explanation out of the way, let's continue. Next, we take the number 830,149 and divide it by 2:

830,149 ÷ 2 = 415,074.5

If the quotient is a whole number, then 2 and 415,074.5 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:

1 830,149
-1 -830,149

Now, we try dividing 830,149 by 3:

830,149 ÷ 3 = 276,716.3333

If the quotient is a whole number, then 3 and 276,716.3333 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:

1 830,149
-1 -830,149

Let's try dividing by 4:

830,149 ÷ 4 = 207,537.25

If the quotient is a whole number, then 4 and 207,537.25 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:

1 830,149
-1 830,149
Keep dividing by the next highest number until you cannot divide anymore.

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

131614391,89113,60926,779830,149
-1-31-61-439-1,891-13,609-26,779-830,149

More Examples

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