A:
Positive:
1 x 42355619911 x 3850510941 x 10330639431 x 982729451 x 9391492179 x 1943814741 x 8933917671 x 23969
Negative:
-1 x -423556199-11 x -38505109-41 x -10330639-431 x -982729-451 x -939149-2179 x -194381-4741 x -89339-17671 x -23969
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 423,556,199, 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 | 423,556,199 | |
| -1 | -423,556,199 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 423,556,199.
Example:
1 x 423,556,199 = 423,556,199
and
-1 x -423,556,199 = 423,556,199
Notice both answers equal 423,556,199
With that explanation out of the way, let's continue. Next, we take the number 423,556,199 and divide it by 2:
423,556,199 ÷ 2 = 211,778,099.5
If the quotient is a whole number, then 2 and 211,778,099.5 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 | 423,556,199 | |
| -1 | -423,556,199 |
Now, we try dividing 423,556,199 by 3:
423,556,199 ÷ 3 = 141,185,399.6667
If the quotient is a whole number, then 3 and 141,185,399.6667 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 | 423,556,199 | |
| -1 | -423,556,199 |
Let's try dividing by 4:
423,556,199 ÷ 4 = 105,889,049.75
If the quotient is a whole number, then 4 and 105,889,049.75 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 | 423,556,199 | |
| -1 | 423,556,199 |
If you did it right, you will end up with this table:
| 1 | 11 | 41 | 431 | 451 | 2,179 | 4,741 | 17,671 | 23,969 | 89,339 | 194,381 | 939,149 | 982,729 | 10,330,639 | 38,505,109 | 423,556,199 |
| -1 | -11 | -41 | -431 | -451 | -2,179 | -4,741 | -17,671 | -23,969 | -89,339 | -194,381 | -939,149 | -982,729 | -10,330,639 | -38,505,109 | -423,556,199 |
Here are some more numbers to try:
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