A:
Positive:
1 x 3286136755 x 6572273513 x 2527797525 x 1314454765 x 5055595199 x 1651325325 x 1011119995 x 3302652587 x 1270254975 x 660535081 x 6467512935 x 25405
Negative:
-1 x -328613675-5 x -65722735-13 x -25277975-25 x -13144547-65 x -5055595-199 x -1651325-325 x -1011119-995 x -330265-2587 x -127025-4975 x -66053-5081 x -64675-12935 x -25405
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 328,613,675, 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 | 328,613,675 | |
| -1 | -328,613,675 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 328,613,675.
Example:
1 x 328,613,675 = 328,613,675
and
-1 x -328,613,675 = 328,613,675
Notice both answers equal 328,613,675
With that explanation out of the way, let's continue. Next, we take the number 328,613,675 and divide it by 2:
328,613,675 ÷ 2 = 164,306,837.5
If the quotient is a whole number, then 2 and 164,306,837.5 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 | 328,613,675 | |
| -1 | -328,613,675 |
Now, we try dividing 328,613,675 by 3:
328,613,675 ÷ 3 = 109,537,891.6667
If the quotient is a whole number, then 3 and 109,537,891.6667 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 | 328,613,675 | |
| -1 | -328,613,675 |
Let's try dividing by 4:
328,613,675 ÷ 4 = 82,153,418.75
If the quotient is a whole number, then 4 and 82,153,418.75 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 | 328,613,675 | |
| -1 | 328,613,675 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 25 | 65 | 199 | 325 | 995 | 2,587 | 4,975 | 5,081 | 12,935 | 25,405 | 64,675 | 66,053 | 127,025 | 330,265 | 1,011,119 | 1,651,325 | 5,055,595 | 13,144,547 | 25,277,975 | 65,722,735 | 328,613,675 |
| -1 | -5 | -13 | -25 | -65 | -199 | -325 | -995 | -2,587 | -4,975 | -5,081 | -12,935 | -25,405 | -64,675 | -66,053 | -127,025 | -330,265 | -1,011,119 | -1,651,325 | -5,055,595 | -13,144,547 | -25,277,975 | -65,722,735 | -328,613,675 |
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