A:
Positive:
1 x 11717761913 x 901366371 x 165038979 x 1483261923 x 1269531027 x 1140971607 x 729175609 x 20891
Negative:
-1 x -117177619-13 x -9013663-71 x -1650389-79 x -1483261-923 x -126953-1027 x -114097-1607 x -72917-5609 x -20891
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 117,177,619, it is easier to work with a table - it's called factoring from the outside in.
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 | 117,177,619 | |
| -1 | -117,177,619 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 117,177,619.
Example:
1 x 117,177,619 = 117,177,619
and
-1 x -117,177,619 = 117,177,619
Notice both answers equal 117,177,619
With that explanation out of the way, let's continue. Next, we take the number 117,177,619 and divide it by 2:
117,177,619 ÷ 2 = 58,588,809.5
If the quotient is a whole number, then 2 and 58,588,809.5 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 | 117,177,619 | |
| -1 | -117,177,619 |
Now, we try dividing 117,177,619 by 3:
117,177,619 ÷ 3 = 39,059,206.3333
If the quotient is a whole number, then 3 and 39,059,206.3333 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 | 117,177,619 | |
| -1 | -117,177,619 |
Let's try dividing by 4:
117,177,619 ÷ 4 = 29,294,404.75
If the quotient is a whole number, then 4 and 29,294,404.75 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 | 117,177,619 | |
| -1 | 117,177,619 |
If you did it right, you will end up with this table:
| 1 | 13 | 71 | 79 | 923 | 1,027 | 1,607 | 5,609 | 20,891 | 72,917 | 114,097 | 126,953 | 1,483,261 | 1,650,389 | 9,013,663 | 117,177,619 |
| -1 | -13 | -71 | -79 | -923 | -1,027 | -1,607 | -5,609 | -20,891 | -72,917 | -114,097 | -126,953 | -1,483,261 | -1,650,389 | -9,013,663 | -117,177,619 |
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