A:
Positive:
1 x 1152342317 x 1646203341 x 281059149 x 2351719287 x 4015131399 x 823691681 x 685512009 x 573599793 x 11767
Negative:
-1 x -115234231-7 x -16462033-41 x -2810591-49 x -2351719-287 x -401513-1399 x -82369-1681 x -68551-2009 x -57359-9793 x -11767
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 115,234,231, 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 | 115,234,231 | |
| -1 | -115,234,231 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 115,234,231.
Example:
1 x 115,234,231 = 115,234,231
and
-1 x -115,234,231 = 115,234,231
Notice both answers equal 115,234,231
With that explanation out of the way, let's continue. Next, we take the number 115,234,231 and divide it by 2:
115,234,231 ÷ 2 = 57,617,115.5
If the quotient is a whole number, then 2 and 57,617,115.5 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 | 115,234,231 | |
| -1 | -115,234,231 |
Now, we try dividing 115,234,231 by 3:
115,234,231 ÷ 3 = 38,411,410.3333
If the quotient is a whole number, then 3 and 38,411,410.3333 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 | 115,234,231 | |
| -1 | -115,234,231 |
Let's try dividing by 4:
115,234,231 ÷ 4 = 28,808,557.75
If the quotient is a whole number, then 4 and 28,808,557.75 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 | 115,234,231 | |
| -1 | 115,234,231 |
If you did it right, you will end up with this table:
| 1 | 7 | 41 | 49 | 287 | 1,399 | 1,681 | 2,009 | 9,793 | 11,767 | 57,359 | 68,551 | 82,369 | 401,513 | 2,351,719 | 2,810,591 | 16,462,033 | 115,234,231 |
| -1 | -7 | -41 | -49 | -287 | -1,399 | -1,681 | -2,009 | -9,793 | -11,767 | -57,359 | -68,551 | -82,369 | -401,513 | -2,351,719 | -2,810,591 | -16,462,033 | -115,234,231 |
Here are some more numbers to try:
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