A:
Positive:
1 x 2310554355 x 4621108713 x 1777349565 x 35546991153 x 2003953083 x 749455765 x 4007914989 x 15415
Negative:
-1 x -231055435-5 x -46211087-13 x -17773495-65 x -3554699-1153 x -200395-3083 x -74945-5765 x -40079-14989 x -15415
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 231,055,435, 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 | 231,055,435 | |
| -1 | -231,055,435 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 231,055,435.
Example:
1 x 231,055,435 = 231,055,435
and
-1 x -231,055,435 = 231,055,435
Notice both answers equal 231,055,435
With that explanation out of the way, let's continue. Next, we take the number 231,055,435 and divide it by 2:
231,055,435 ÷ 2 = 115,527,717.5
If the quotient is a whole number, then 2 and 115,527,717.5 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 | 231,055,435 | |
| -1 | -231,055,435 |
Now, we try dividing 231,055,435 by 3:
231,055,435 ÷ 3 = 77,018,478.3333
If the quotient is a whole number, then 3 and 77,018,478.3333 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 | 231,055,435 | |
| -1 | -231,055,435 |
Let's try dividing by 4:
231,055,435 ÷ 4 = 57,763,858.75
If the quotient is a whole number, then 4 and 57,763,858.75 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 | 231,055,435 | |
| -1 | 231,055,435 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 65 | 1,153 | 3,083 | 5,765 | 14,989 | 15,415 | 40,079 | 74,945 | 200,395 | 3,554,699 | 17,773,495 | 46,211,087 | 231,055,435 |
| -1 | -5 | -13 | -65 | -1,153 | -3,083 | -5,765 | -14,989 | -15,415 | -40,079 | -74,945 | -200,395 | -3,554,699 | -17,773,495 | -46,211,087 | -231,055,435 |
Here are some more numbers to try:
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