A:
Positive:
1 x 1305167055 x 2610334111 x 1186515555 x 2373031239 x 5460951195 x 1092192629 x 496459929 x 13145
Negative:
-1 x -130516705-5 x -26103341-11 x -11865155-55 x -2373031-239 x -546095-1195 x -109219-2629 x -49645-9929 x -13145
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 130,516,705, 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 | 130,516,705 | |
| -1 | -130,516,705 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 130,516,705.
Example:
1 x 130,516,705 = 130,516,705
and
-1 x -130,516,705 = 130,516,705
Notice both answers equal 130,516,705
With that explanation out of the way, let's continue. Next, we take the number 130,516,705 and divide it by 2:
130,516,705 ÷ 2 = 65,258,352.5
If the quotient is a whole number, then 2 and 65,258,352.5 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 | 130,516,705 | |
| -1 | -130,516,705 |
Now, we try dividing 130,516,705 by 3:
130,516,705 ÷ 3 = 43,505,568.3333
If the quotient is a whole number, then 3 and 43,505,568.3333 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 | 130,516,705 | |
| -1 | -130,516,705 |
Let's try dividing by 4:
130,516,705 ÷ 4 = 32,629,176.25
If the quotient is a whole number, then 4 and 32,629,176.25 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 | 130,516,705 | |
| -1 | 130,516,705 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 55 | 239 | 1,195 | 2,629 | 9,929 | 13,145 | 49,645 | 109,219 | 546,095 | 2,373,031 | 11,865,155 | 26,103,341 | 130,516,705 |
| -1 | -5 | -11 | -55 | -239 | -1,195 | -2,629 | -9,929 | -13,145 | -49,645 | -109,219 | -546,095 | -2,373,031 | -11,865,155 | -26,103,341 | -130,516,705 |
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