Q: What are the factor combinations of the number 302,014,531?

 A:
Positive:   1 x 3020145317 x 4314493313 x 2323188791 x 3318841
Negative: -1 x -302014531-7 x -43144933-13 x -23231887-91 x -3318841


How do I find the factor combinations of the number 302,014,531?

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 302,014,531, 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.

1 302,014,531
-1 -302,014,531

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 302,014,531.

Example:
1 x 302,014,531 = 302,014,531
and
-1 x -302,014,531 = 302,014,531
Notice both answers equal 302,014,531

With that explanation out of the way, let's continue. Next, we take the number 302,014,531 and divide it by 2:

302,014,531 ÷ 2 = 151,007,265.5

If the quotient is a whole number, then 2 and 151,007,265.5 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:

1 302,014,531
-1 -302,014,531

Now, we try dividing 302,014,531 by 3:

302,014,531 ÷ 3 = 100,671,510.3333

If the quotient is a whole number, then 3 and 100,671,510.3333 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:

1 302,014,531
-1 -302,014,531

Let's try dividing by 4:

302,014,531 ÷ 4 = 75,503,632.75

If the quotient is a whole number, then 4 and 75,503,632.75 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:

1 302,014,531
-1 302,014,531
Keep dividing by the next highest number until you cannot divide anymore.

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

1713913,318,84123,231,88743,144,933302,014,531
-1-7-13-91-3,318,841-23,231,887-43,144,933-302,014,531

More Examples

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