A:
Positive:
1 x 2041155355 x 4082310713 x 1570119565 x 3140239421 x 4848352105 x 969675473 x 372957459 x 27365
Negative:
-1 x -204115535-5 x -40823107-13 x -15701195-65 x -3140239-421 x -484835-2105 x -96967-5473 x -37295-7459 x -27365
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 204,115,535, 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 | 204,115,535 | |
| -1 | -204,115,535 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 204,115,535.
Example:
1 x 204,115,535 = 204,115,535
and
-1 x -204,115,535 = 204,115,535
Notice both answers equal 204,115,535
With that explanation out of the way, let's continue. Next, we take the number 204,115,535 and divide it by 2:
204,115,535 ÷ 2 = 102,057,767.5
If the quotient is a whole number, then 2 and 102,057,767.5 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 | 204,115,535 | |
| -1 | -204,115,535 |
Now, we try dividing 204,115,535 by 3:
204,115,535 ÷ 3 = 68,038,511.6667
If the quotient is a whole number, then 3 and 68,038,511.6667 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 | 204,115,535 | |
| -1 | -204,115,535 |
Let's try dividing by 4:
204,115,535 ÷ 4 = 51,028,883.75
If the quotient is a whole number, then 4 and 51,028,883.75 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 | 204,115,535 | |
| -1 | 204,115,535 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 65 | 421 | 2,105 | 5,473 | 7,459 | 27,365 | 37,295 | 96,967 | 484,835 | 3,140,239 | 15,701,195 | 40,823,107 | 204,115,535 |
| -1 | -5 | -13 | -65 | -421 | -2,105 | -5,473 | -7,459 | -27,365 | -37,295 | -96,967 | -484,835 | -3,140,239 | -15,701,195 | -40,823,107 | -204,115,535 |
Here are some more numbers to try:
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