Q: What are the factor combinations of the number 7,117,795?

 A:
Positive:   1 x 71177955 x 1423559307 x 231851535 x 4637
Negative: -1 x -7117795-5 x -1423559-307 x -23185-1535 x -4637


How do I find the factor combinations of the number 7,117,795?

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 7,117,795, 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 7,117,795
-1 -7,117,795

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 7,117,795.

Example:
1 x 7,117,795 = 7,117,795
and
-1 x -7,117,795 = 7,117,795
Notice both answers equal 7,117,795

With that explanation out of the way, let's continue. Next, we take the number 7,117,795 and divide it by 2:

7,117,795 ÷ 2 = 3,558,897.5

If the quotient is a whole number, then 2 and 3,558,897.5 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 7,117,795
-1 -7,117,795

Now, we try dividing 7,117,795 by 3:

7,117,795 ÷ 3 = 2,372,598.3333

If the quotient is a whole number, then 3 and 2,372,598.3333 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 7,117,795
-1 -7,117,795

Let's try dividing by 4:

7,117,795 ÷ 4 = 1,779,448.75

If the quotient is a whole number, then 4 and 1,779,448.75 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 7,117,795
-1 7,117,795
Keep dividing by the next highest number until you cannot divide anymore.

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

153071,5354,63723,1851,423,5597,117,795
-1-5-307-1,535-4,637-23,185-1,423,559-7,117,795

More Examples

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