A:
Positive:
1 x 177829337 x 254041923 x 77317131 x 57364349 x 362917161 x 110453217 x 81949509 x 34937713 x 249411127 x 157791519 x 117073563 x 4991
Negative:
-1 x -17782933-7 x -2540419-23 x -773171-31 x -573643-49 x -362917-161 x -110453-217 x -81949-509 x -34937-713 x -24941-1127 x -15779-1519 x -11707-3563 x -4991
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 17,782,933, 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 | 17,782,933 | |
| -1 | -17,782,933 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 17,782,933.
Example:
1 x 17,782,933 = 17,782,933
and
-1 x -17,782,933 = 17,782,933
Notice both answers equal 17,782,933
With that explanation out of the way, let's continue. Next, we take the number 17,782,933 and divide it by 2:
17,782,933 ÷ 2 = 8,891,466.5
If the quotient is a whole number, then 2 and 8,891,466.5 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 | 17,782,933 | |
| -1 | -17,782,933 |
Now, we try dividing 17,782,933 by 3:
17,782,933 ÷ 3 = 5,927,644.3333
If the quotient is a whole number, then 3 and 5,927,644.3333 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 | 17,782,933 | |
| -1 | -17,782,933 |
Let's try dividing by 4:
17,782,933 ÷ 4 = 4,445,733.25
If the quotient is a whole number, then 4 and 4,445,733.25 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 | 17,782,933 | |
| -1 | 17,782,933 |
If you did it right, you will end up with this table:
| 1 | 7 | 23 | 31 | 49 | 161 | 217 | 509 | 713 | 1,127 | 1,519 | 3,563 | 4,991 | 11,707 | 15,779 | 24,941 | 34,937 | 81,949 | 110,453 | 362,917 | 573,643 | 773,171 | 2,540,419 | 17,782,933 |
| -1 | -7 | -23 | -31 | -49 | -161 | -217 | -509 | -713 | -1,127 | -1,519 | -3,563 | -4,991 | -11,707 | -15,779 | -24,941 | -34,937 | -81,949 | -110,453 | -362,917 | -573,643 | -773,171 | -2,540,419 | -17,782,933 |
Here are some more numbers to try:
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