Q: What are the factor combinations of the number 7,315,033?

 A:
Positive:   1 x 731503311 x 66500347 x 155639517 x 14149
Negative: -1 x -7315033-11 x -665003-47 x -155639-517 x -14149


How do I find the factor combinations of the number 7,315,033?

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 7,315,033, 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 7,315,033
-1 -7,315,033

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 7,315,033.

Example:
1 x 7,315,033 = 7,315,033
and
-1 x -7,315,033 = 7,315,033
Notice both answers equal 7,315,033

With that explanation out of the way, let's continue. Next, we take the number 7,315,033 and divide it by 2:

7,315,033 ÷ 2 = 3,657,516.5

If the quotient is a whole number, then 2 and 3,657,516.5 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 7,315,033
-1 -7,315,033

Now, we try dividing 7,315,033 by 3:

7,315,033 ÷ 3 = 2,438,344.3333

If the quotient is a whole number, then 3 and 2,438,344.3333 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 7,315,033
-1 -7,315,033

Let's try dividing by 4:

7,315,033 ÷ 4 = 1,828,758.25

If the quotient is a whole number, then 4 and 1,828,758.25 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 7,315,033
-1 7,315,033
Keep dividing by the next highest number until you cannot divide anymore.

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

1114751714,149155,639665,0037,315,033
-1-11-47-517-14,149-155,639-665,003-7,315,033

More Examples

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