A:
Positive:
1 x 4234232037 x 6048902931 x 13658813217 x 1951259349 x 12132472443 x 1733215591 x 7573310819 x 39137
Negative:
-1 x -423423203-7 x -60489029-31 x -13658813-217 x -1951259-349 x -1213247-2443 x -173321-5591 x -75733-10819 x -39137
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 423,423,203, 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 | 423,423,203 | |
| -1 | -423,423,203 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 423,423,203.
Example:
1 x 423,423,203 = 423,423,203
and
-1 x -423,423,203 = 423,423,203
Notice both answers equal 423,423,203
With that explanation out of the way, let's continue. Next, we take the number 423,423,203 and divide it by 2:
423,423,203 ÷ 2 = 211,711,601.5
If the quotient is a whole number, then 2 and 211,711,601.5 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 | 423,423,203 | |
| -1 | -423,423,203 |
Now, we try dividing 423,423,203 by 3:
423,423,203 ÷ 3 = 141,141,067.6667
If the quotient is a whole number, then 3 and 141,141,067.6667 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 | 423,423,203 | |
| -1 | -423,423,203 |
Let's try dividing by 4:
423,423,203 ÷ 4 = 105,855,800.75
If the quotient is a whole number, then 4 and 105,855,800.75 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 | 423,423,203 | |
| -1 | 423,423,203 |
If you did it right, you will end up with this table:
| 1 | 7 | 31 | 217 | 349 | 2,443 | 5,591 | 10,819 | 39,137 | 75,733 | 173,321 | 1,213,247 | 1,951,259 | 13,658,813 | 60,489,029 | 423,423,203 |
| -1 | -7 | -31 | -217 | -349 | -2,443 | -5,591 | -10,819 | -39,137 | -75,733 | -173,321 | -1,213,247 | -1,951,259 | -13,658,813 | -60,489,029 | -423,423,203 |
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