A:
Positive:
1 x 1307315755 x 2614631513 x 1005627525 x 522926341 x 318857565 x 2011255205 x 637715325 x 402251533 x 2452751025 x 1275432665 x 490559811 x 13325
Negative:
-1 x -130731575-5 x -26146315-13 x -10056275-25 x -5229263-41 x -3188575-65 x -2011255-205 x -637715-325 x -402251-533 x -245275-1025 x -127543-2665 x -49055-9811 x -13325
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 130,731,575, 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 | 130,731,575 | |
| -1 | -130,731,575 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 130,731,575.
Example:
1 x 130,731,575 = 130,731,575
and
-1 x -130,731,575 = 130,731,575
Notice both answers equal 130,731,575
With that explanation out of the way, let's continue. Next, we take the number 130,731,575 and divide it by 2:
130,731,575 ÷ 2 = 65,365,787.5
If the quotient is a whole number, then 2 and 65,365,787.5 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 | 130,731,575 | |
| -1 | -130,731,575 |
Now, we try dividing 130,731,575 by 3:
130,731,575 ÷ 3 = 43,577,191.6667
If the quotient is a whole number, then 3 and 43,577,191.6667 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 | 130,731,575 | |
| -1 | -130,731,575 |
Let's try dividing by 4:
130,731,575 ÷ 4 = 32,682,893.75
If the quotient is a whole number, then 4 and 32,682,893.75 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 | 130,731,575 | |
| -1 | 130,731,575 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 25 | 41 | 65 | 205 | 325 | 533 | 1,025 | 2,665 | 9,811 | 13,325 | 49,055 | 127,543 | 245,275 | 402,251 | 637,715 | 2,011,255 | 3,188,575 | 5,229,263 | 10,056,275 | 26,146,315 | 130,731,575 |
| -1 | -5 | -13 | -25 | -41 | -65 | -205 | -325 | -533 | -1,025 | -2,665 | -9,811 | -13,325 | -49,055 | -127,543 | -245,275 | -402,251 | -637,715 | -2,011,255 | -3,188,575 | -5,229,263 | -10,056,275 | -26,146,315 | -130,731,575 |
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