A:
Positive:
1 x 3270213255 x 6540426525 x 1308085331 x 10549075155 x 2109815233 x 1403525775 x 4219631165 x 2807051811 x 1805755825 x 561417223 x 452759055 x 36115
Negative:
-1 x -327021325-5 x -65404265-25 x -13080853-31 x -10549075-155 x -2109815-233 x -1403525-775 x -421963-1165 x -280705-1811 x -180575-5825 x -56141-7223 x -45275-9055 x -36115
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 327,021,325, 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 | 327,021,325 | |
| -1 | -327,021,325 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 327,021,325.
Example:
1 x 327,021,325 = 327,021,325
and
-1 x -327,021,325 = 327,021,325
Notice both answers equal 327,021,325
With that explanation out of the way, let's continue. Next, we take the number 327,021,325 and divide it by 2:
327,021,325 ÷ 2 = 163,510,662.5
If the quotient is a whole number, then 2 and 163,510,662.5 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 | 327,021,325 | |
| -1 | -327,021,325 |
Now, we try dividing 327,021,325 by 3:
327,021,325 ÷ 3 = 109,007,108.3333
If the quotient is a whole number, then 3 and 109,007,108.3333 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 | 327,021,325 | |
| -1 | -327,021,325 |
Let's try dividing by 4:
327,021,325 ÷ 4 = 81,755,331.25
If the quotient is a whole number, then 4 and 81,755,331.25 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 | 327,021,325 | |
| -1 | 327,021,325 |
If you did it right, you will end up with this table:
| 1 | 5 | 25 | 31 | 155 | 233 | 775 | 1,165 | 1,811 | 5,825 | 7,223 | 9,055 | 36,115 | 45,275 | 56,141 | 180,575 | 280,705 | 421,963 | 1,403,525 | 2,109,815 | 10,549,075 | 13,080,853 | 65,404,265 | 327,021,325 |
| -1 | -5 | -25 | -31 | -155 | -233 | -775 | -1,165 | -1,811 | -5,825 | -7,223 | -9,055 | -36,115 | -45,275 | -56,141 | -180,575 | -280,705 | -421,963 | -1,403,525 | -2,109,815 | -10,549,075 | -13,080,853 | -65,404,265 | -327,021,325 |
Here are some more numbers to try:
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