A:
Positive:
1 x 2001230355 x 400246077 x 2858900535 x 5717801443 x 4517452215 x 903493101 x 6453512907 x 15505
Negative:
-1 x -200123035-5 x -40024607-7 x -28589005-35 x -5717801-443 x -451745-2215 x -90349-3101 x -64535-12907 x -15505
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 200,123,035, 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 | 200,123,035 | |
| -1 | -200,123,035 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 200,123,035.
Example:
1 x 200,123,035 = 200,123,035
and
-1 x -200,123,035 = 200,123,035
Notice both answers equal 200,123,035
With that explanation out of the way, let's continue. Next, we take the number 200,123,035 and divide it by 2:
200,123,035 ÷ 2 = 100,061,517.5
If the quotient is a whole number, then 2 and 100,061,517.5 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 | 200,123,035 | |
| -1 | -200,123,035 |
Now, we try dividing 200,123,035 by 3:
200,123,035 ÷ 3 = 66,707,678.3333
If the quotient is a whole number, then 3 and 66,707,678.3333 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 | 200,123,035 | |
| -1 | -200,123,035 |
Let's try dividing by 4:
200,123,035 ÷ 4 = 50,030,758.75
If the quotient is a whole number, then 4 and 50,030,758.75 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 | 200,123,035 | |
| -1 | 200,123,035 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 35 | 443 | 2,215 | 3,101 | 12,907 | 15,505 | 64,535 | 90,349 | 451,745 | 5,717,801 | 28,589,005 | 40,024,607 | 200,123,035 |
| -1 | -5 | -7 | -35 | -443 | -2,215 | -3,101 | -12,907 | -15,505 | -64,535 | -90,349 | -451,745 | -5,717,801 | -28,589,005 | -40,024,607 | -200,123,035 |
Here are some more numbers to try:
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