A:
Positive:
1 x 20011520323 x 870066137 x 5408519113 x 1770931851 x 2351532081 x 961632599 x 769974181 x 47863
Negative:
-1 x -200115203-23 x -8700661-37 x -5408519-113 x -1770931-851 x -235153-2081 x -96163-2599 x -76997-4181 x -47863
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 200,115,203, 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 | 200,115,203 | |
| -1 | -200,115,203 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 200,115,203.
Example:
1 x 200,115,203 = 200,115,203
and
-1 x -200,115,203 = 200,115,203
Notice both answers equal 200,115,203
With that explanation out of the way, let's continue. Next, we take the number 200,115,203 and divide it by 2:
200,115,203 ÷ 2 = 100,057,601.5
If the quotient is a whole number, then 2 and 100,057,601.5 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 | 200,115,203 | |
| -1 | -200,115,203 |
Now, we try dividing 200,115,203 by 3:
200,115,203 ÷ 3 = 66,705,067.6667
If the quotient is a whole number, then 3 and 66,705,067.6667 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 | 200,115,203 | |
| -1 | -200,115,203 |
Let's try dividing by 4:
200,115,203 ÷ 4 = 50,028,800.75
If the quotient is a whole number, then 4 and 50,028,800.75 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 | 200,115,203 | |
| -1 | 200,115,203 |
If you did it right, you will end up with this table:
| 1 | 23 | 37 | 113 | 851 | 2,081 | 2,599 | 4,181 | 47,863 | 76,997 | 96,163 | 235,153 | 1,770,931 | 5,408,519 | 8,700,661 | 200,115,203 |
| -1 | -23 | -37 | -113 | -851 | -2,081 | -2,599 | -4,181 | -47,863 | -76,997 | -96,163 | -235,153 | -1,770,931 | -5,408,519 | -8,700,661 | -200,115,203 |
Here are some more numbers to try:
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