A:
Positive:
1 x 2067463155 x 4134926319 x 1088138595 x 2176277733 x 2820552969 x 696353665 x 5641113927 x 14845
Negative:
-1 x -206746315-5 x -41349263-19 x -10881385-95 x -2176277-733 x -282055-2969 x -69635-3665 x -56411-13927 x -14845
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 206,746,315, 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 | 206,746,315 | |
| -1 | -206,746,315 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 206,746,315.
Example:
1 x 206,746,315 = 206,746,315
and
-1 x -206,746,315 = 206,746,315
Notice both answers equal 206,746,315
With that explanation out of the way, let's continue. Next, we take the number 206,746,315 and divide it by 2:
206,746,315 ÷ 2 = 103,373,157.5
If the quotient is a whole number, then 2 and 103,373,157.5 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 | 206,746,315 | |
| -1 | -206,746,315 |
Now, we try dividing 206,746,315 by 3:
206,746,315 ÷ 3 = 68,915,438.3333
If the quotient is a whole number, then 3 and 68,915,438.3333 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 | 206,746,315 | |
| -1 | -206,746,315 |
Let's try dividing by 4:
206,746,315 ÷ 4 = 51,686,578.75
If the quotient is a whole number, then 4 and 51,686,578.75 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 | 206,746,315 | |
| -1 | 206,746,315 |
If you did it right, you will end up with this table:
| 1 | 5 | 19 | 95 | 733 | 2,969 | 3,665 | 13,927 | 14,845 | 56,411 | 69,635 | 282,055 | 2,176,277 | 10,881,385 | 41,349,263 | 206,746,315 |
| -1 | -5 | -19 | -95 | -733 | -2,969 | -3,665 | -13,927 | -14,845 | -56,411 | -69,635 | -282,055 | -2,176,277 | -10,881,385 | -41,349,263 | -206,746,315 |
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