A:
Positive:
1 x 1838217711 x 167110719 x 967483209 x 87953281 x 65417313 x 587293091 x 59473443 x 5339
Negative:
-1 x -18382177-11 x -1671107-19 x -967483-209 x -87953-281 x -65417-313 x -58729-3091 x -5947-3443 x -5339
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 18,382,177, 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 | 18,382,177 | |
| -1 | -18,382,177 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 18,382,177.
Example:
1 x 18,382,177 = 18,382,177
and
-1 x -18,382,177 = 18,382,177
Notice both answers equal 18,382,177
With that explanation out of the way, let's continue. Next, we take the number 18,382,177 and divide it by 2:
18,382,177 ÷ 2 = 9,191,088.5
If the quotient is a whole number, then 2 and 9,191,088.5 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 | 18,382,177 | |
| -1 | -18,382,177 |
Now, we try dividing 18,382,177 by 3:
18,382,177 ÷ 3 = 6,127,392.3333
If the quotient is a whole number, then 3 and 6,127,392.3333 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 | 18,382,177 | |
| -1 | -18,382,177 |
Let's try dividing by 4:
18,382,177 ÷ 4 = 4,595,544.25
If the quotient is a whole number, then 4 and 4,595,544.25 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 | 18,382,177 | |
| -1 | 18,382,177 |
If you did it right, you will end up with this table:
| 1 | 11 | 19 | 209 | 281 | 313 | 3,091 | 3,443 | 5,339 | 5,947 | 58,729 | 65,417 | 87,953 | 967,483 | 1,671,107 | 18,382,177 |
| -1 | -11 | -19 | -209 | -281 | -313 | -3,091 | -3,443 | -5,339 | -5,947 | -58,729 | -65,417 | -87,953 | -967,483 | -1,671,107 | -18,382,177 |
Here are some more numbers to try:
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