Q: What are the factor combinations of the number 7,816,733?

 A:
Positive:   1 x 781673319 x 41140759 x 132487361 x 21653367 x 212991121 x 6973
Negative: -1 x -7816733-19 x -411407-59 x -132487-361 x -21653-367 x -21299-1121 x -6973


How do I find the factor combinations of the number 7,816,733?

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 7,816,733, 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 7,816,733
-1 -7,816,733

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 7,816,733.

Example:
1 x 7,816,733 = 7,816,733
and
-1 x -7,816,733 = 7,816,733
Notice both answers equal 7,816,733

With that explanation out of the way, let's continue. Next, we take the number 7,816,733 and divide it by 2:

7,816,733 ÷ 2 = 3,908,366.5

If the quotient is a whole number, then 2 and 3,908,366.5 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 7,816,733
-1 -7,816,733

Now, we try dividing 7,816,733 by 3:

7,816,733 ÷ 3 = 2,605,577.6667

If the quotient is a whole number, then 3 and 2,605,577.6667 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 7,816,733
-1 -7,816,733

Let's try dividing by 4:

7,816,733 ÷ 4 = 1,954,183.25

If the quotient is a whole number, then 4 and 1,954,183.25 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 7,816,733
-1 7,816,733
Keep dividing by the next highest number until you cannot divide anymore.

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

119593613671,1216,97321,29921,653132,487411,4077,816,733
-1-19-59-361-367-1,121-6,973-21,299-21,653-132,487-411,407-7,816,733

More Examples

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