A:
Positive:
1 x 2017621111 x 183420137 x 54530389 x 226699407 x 49573557 x 36223979 x 206093293 x 6127
Negative:
-1 x -20176211-11 x -1834201-37 x -545303-89 x -226699-407 x -49573-557 x -36223-979 x -20609-3293 x -6127
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 20,176,211, 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 | 20,176,211 | |
| -1 | -20,176,211 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 20,176,211.
Example:
1 x 20,176,211 = 20,176,211
and
-1 x -20,176,211 = 20,176,211
Notice both answers equal 20,176,211
With that explanation out of the way, let's continue. Next, we take the number 20,176,211 and divide it by 2:
20,176,211 ÷ 2 = 10,088,105.5
If the quotient is a whole number, then 2 and 10,088,105.5 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 | 20,176,211 | |
| -1 | -20,176,211 |
Now, we try dividing 20,176,211 by 3:
20,176,211 ÷ 3 = 6,725,403.6667
If the quotient is a whole number, then 3 and 6,725,403.6667 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 | 20,176,211 | |
| -1 | -20,176,211 |
Let's try dividing by 4:
20,176,211 ÷ 4 = 5,044,052.75
If the quotient is a whole number, then 4 and 5,044,052.75 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 | 20,176,211 | |
| -1 | 20,176,211 |
If you did it right, you will end up with this table:
| 1 | 11 | 37 | 89 | 407 | 557 | 979 | 3,293 | 6,127 | 20,609 | 36,223 | 49,573 | 226,699 | 545,303 | 1,834,201 | 20,176,211 |
| -1 | -11 | -37 | -89 | -407 | -557 | -979 | -3,293 | -6,127 | -20,609 | -36,223 | -49,573 | -226,699 | -545,303 | -1,834,201 | -20,176,211 |
Here are some more numbers to try:
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