A:
Positive:
1 x 2006000155 x 401200037 x 2865714511 x 1823636535 x 573142955 x 364727377 x 2605195385 x 521039
Negative:
-1 x -200600015-5 x -40120003-7 x -28657145-11 x -18236365-35 x -5731429-55 x -3647273-77 x -2605195-385 x -521039
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 200,600,015, 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 | 200,600,015 | |
| -1 | -200,600,015 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 200,600,015.
Example:
1 x 200,600,015 = 200,600,015
and
-1 x -200,600,015 = 200,600,015
Notice both answers equal 200,600,015
With that explanation out of the way, let's continue. Next, we take the number 200,600,015 and divide it by 2:
200,600,015 ÷ 2 = 100,300,007.5
If the quotient is a whole number, then 2 and 100,300,007.5 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 | 200,600,015 | |
| -1 | -200,600,015 |
Now, we try dividing 200,600,015 by 3:
200,600,015 ÷ 3 = 66,866,671.6667
If the quotient is a whole number, then 3 and 66,866,671.6667 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 | 200,600,015 | |
| -1 | -200,600,015 |
Let's try dividing by 4:
200,600,015 ÷ 4 = 50,150,003.75
If the quotient is a whole number, then 4 and 50,150,003.75 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 | 200,600,015 | |
| -1 | 200,600,015 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 11 | 35 | 55 | 77 | 385 | 521,039 | 2,605,195 | 3,647,273 | 5,731,429 | 18,236,365 | 28,657,145 | 40,120,003 | 200,600,015 |
| -1 | -5 | -7 | -11 | -35 | -55 | -77 | -385 | -521,039 | -2,605,195 | -3,647,273 | -5,731,429 | -18,236,365 | -28,657,145 | -40,120,003 | -200,600,015 |
Here are some more numbers to try:
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