A:
Positive:
1 x 177070817 x 252958317 x 104159329 x 61058949 x 361369119 x 148799203 x 87227493 x 35917733 x 24157833 x 212571421 x 124613451 x 5131
Negative:
-1 x -17707081-7 x -2529583-17 x -1041593-29 x -610589-49 x -361369-119 x -148799-203 x -87227-493 x -35917-733 x -24157-833 x -21257-1421 x -12461-3451 x -5131
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 17,707,081, 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 | 17,707,081 | |
| -1 | -17,707,081 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 17,707,081.
Example:
1 x 17,707,081 = 17,707,081
and
-1 x -17,707,081 = 17,707,081
Notice both answers equal 17,707,081
With that explanation out of the way, let's continue. Next, we take the number 17,707,081 and divide it by 2:
17,707,081 ÷ 2 = 8,853,540.5
If the quotient is a whole number, then 2 and 8,853,540.5 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 | 17,707,081 | |
| -1 | -17,707,081 |
Now, we try dividing 17,707,081 by 3:
17,707,081 ÷ 3 = 5,902,360.3333
If the quotient is a whole number, then 3 and 5,902,360.3333 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 | 17,707,081 | |
| -1 | -17,707,081 |
Let's try dividing by 4:
17,707,081 ÷ 4 = 4,426,770.25
If the quotient is a whole number, then 4 and 4,426,770.25 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 | 17,707,081 | |
| -1 | 17,707,081 |
If you did it right, you will end up with this table:
| 1 | 7 | 17 | 29 | 49 | 119 | 203 | 493 | 733 | 833 | 1,421 | 3,451 | 5,131 | 12,461 | 21,257 | 24,157 | 35,917 | 87,227 | 148,799 | 361,369 | 610,589 | 1,041,593 | 2,529,583 | 17,707,081 |
| -1 | -7 | -17 | -29 | -49 | -119 | -203 | -493 | -733 | -833 | -1,421 | -3,451 | -5,131 | -12,461 | -21,257 | -24,157 | -35,917 | -87,227 | -148,799 | -361,369 | -610,589 | -1,041,593 | -2,529,583 | -17,707,081 |
Here are some more numbers to try:
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