A:
Positive:
1 x 32123113317 x 1889594923 x 13966571127 x 2529379391 x 8215632159 x 1487872921 x 1099736469 x 49657
Negative:
-1 x -321231133-17 x -18895949-23 x -13966571-127 x -2529379-391 x -821563-2159 x -148787-2921 x -109973-6469 x -49657
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 321,231,133, 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 | 321,231,133 | |
| -1 | -321,231,133 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 321,231,133.
Example:
1 x 321,231,133 = 321,231,133
and
-1 x -321,231,133 = 321,231,133
Notice both answers equal 321,231,133
With that explanation out of the way, let's continue. Next, we take the number 321,231,133 and divide it by 2:
321,231,133 ÷ 2 = 160,615,566.5
If the quotient is a whole number, then 2 and 160,615,566.5 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 | 321,231,133 | |
| -1 | -321,231,133 |
Now, we try dividing 321,231,133 by 3:
321,231,133 ÷ 3 = 107,077,044.3333
If the quotient is a whole number, then 3 and 107,077,044.3333 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 | 321,231,133 | |
| -1 | -321,231,133 |
Let's try dividing by 4:
321,231,133 ÷ 4 = 80,307,783.25
If the quotient is a whole number, then 4 and 80,307,783.25 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 | 321,231,133 | |
| -1 | 321,231,133 |
If you did it right, you will end up with this table:
| 1 | 17 | 23 | 127 | 391 | 2,159 | 2,921 | 6,469 | 49,657 | 109,973 | 148,787 | 821,563 | 2,529,379 | 13,966,571 | 18,895,949 | 321,231,133 |
| -1 | -17 | -23 | -127 | -391 | -2,159 | -2,921 | -6,469 | -49,657 | -109,973 | -148,787 | -821,563 | -2,529,379 | -13,966,571 | -18,895,949 | -321,231,133 |
Here are some more numbers to try:
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