A:
Positive:
1 x 2313223255 x 4626446513 x 1779402525 x 925289365 x 3558805197 x 1174225325 x 711761985 x 2348452561 x 903253613 x 640254925 x 4696912805 x 18065
Negative:
-1 x -231322325-5 x -46264465-13 x -17794025-25 x -9252893-65 x -3558805-197 x -1174225-325 x -711761-985 x -234845-2561 x -90325-3613 x -64025-4925 x -46969-12805 x -18065
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 231,322,325, 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 | 231,322,325 | |
| -1 | -231,322,325 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 231,322,325.
Example:
1 x 231,322,325 = 231,322,325
and
-1 x -231,322,325 = 231,322,325
Notice both answers equal 231,322,325
With that explanation out of the way, let's continue. Next, we take the number 231,322,325 and divide it by 2:
231,322,325 ÷ 2 = 115,661,162.5
If the quotient is a whole number, then 2 and 115,661,162.5 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 | 231,322,325 | |
| -1 | -231,322,325 |
Now, we try dividing 231,322,325 by 3:
231,322,325 ÷ 3 = 77,107,441.6667
If the quotient is a whole number, then 3 and 77,107,441.6667 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 | 231,322,325 | |
| -1 | -231,322,325 |
Let's try dividing by 4:
231,322,325 ÷ 4 = 57,830,581.25
If the quotient is a whole number, then 4 and 57,830,581.25 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 | 231,322,325 | |
| -1 | 231,322,325 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 25 | 65 | 197 | 325 | 985 | 2,561 | 3,613 | 4,925 | 12,805 | 18,065 | 46,969 | 64,025 | 90,325 | 234,845 | 711,761 | 1,174,225 | 3,558,805 | 9,252,893 | 17,794,025 | 46,264,465 | 231,322,325 |
| -1 | -5 | -13 | -25 | -65 | -197 | -325 | -985 | -2,561 | -3,613 | -4,925 | -12,805 | -18,065 | -46,969 | -64,025 | -90,325 | -234,845 | -711,761 | -1,174,225 | -3,558,805 | -9,252,893 | -17,794,025 | -46,264,465 | -231,322,325 |
Here are some more numbers to try:
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