A:
Positive:
1 x 2005451355 x 401090277 x 2864930535 x 5729861733 x 2735953665 x 547195131 x 390857817 x 25655
Negative:
-1 x -200545135-5 x -40109027-7 x -28649305-35 x -5729861-733 x -273595-3665 x -54719-5131 x -39085-7817 x -25655
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 200,545,135, 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 | 200,545,135 | |
| -1 | -200,545,135 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 200,545,135.
Example:
1 x 200,545,135 = 200,545,135
and
-1 x -200,545,135 = 200,545,135
Notice both answers equal 200,545,135
With that explanation out of the way, let's continue. Next, we take the number 200,545,135 and divide it by 2:
200,545,135 ÷ 2 = 100,272,567.5
If the quotient is a whole number, then 2 and 100,272,567.5 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 | 200,545,135 | |
| -1 | -200,545,135 |
Now, we try dividing 200,545,135 by 3:
200,545,135 ÷ 3 = 66,848,378.3333
If the quotient is a whole number, then 3 and 66,848,378.3333 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 | 200,545,135 | |
| -1 | -200,545,135 |
Let's try dividing by 4:
200,545,135 ÷ 4 = 50,136,283.75
If the quotient is a whole number, then 4 and 50,136,283.75 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 | 200,545,135 | |
| -1 | 200,545,135 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 35 | 733 | 3,665 | 5,131 | 7,817 | 25,655 | 39,085 | 54,719 | 273,595 | 5,729,861 | 28,649,305 | 40,109,027 | 200,545,135 |
| -1 | -5 | -7 | -35 | -733 | -3,665 | -5,131 | -7,817 | -25,655 | -39,085 | -54,719 | -273,595 | -5,729,861 | -28,649,305 | -40,109,027 | -200,545,135 |
Here are some more numbers to try:
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