A:
Positive:
1 x 172061155 x 344122319 x 90558595 x 181117139 x 123785695 x 247571303 x 132052641 x 6515
Negative:
-1 x -17206115-5 x -3441223-19 x -905585-95 x -181117-139 x -123785-695 x -24757-1303 x -13205-2641 x -6515
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 17,206,115, 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 | 17,206,115 | |
| -1 | -17,206,115 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 17,206,115.
Example:
1 x 17,206,115 = 17,206,115
and
-1 x -17,206,115 = 17,206,115
Notice both answers equal 17,206,115
With that explanation out of the way, let's continue. Next, we take the number 17,206,115 and divide it by 2:
17,206,115 ÷ 2 = 8,603,057.5
If the quotient is a whole number, then 2 and 8,603,057.5 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 | 17,206,115 | |
| -1 | -17,206,115 |
Now, we try dividing 17,206,115 by 3:
17,206,115 ÷ 3 = 5,735,371.6667
If the quotient is a whole number, then 3 and 5,735,371.6667 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 | 17,206,115 | |
| -1 | -17,206,115 |
Let's try dividing by 4:
17,206,115 ÷ 4 = 4,301,528.75
If the quotient is a whole number, then 4 and 4,301,528.75 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 | 17,206,115 | |
| -1 | 17,206,115 |
If you did it right, you will end up with this table:
| 1 | 5 | 19 | 95 | 139 | 695 | 1,303 | 2,641 | 6,515 | 13,205 | 24,757 | 123,785 | 181,117 | 905,585 | 3,441,223 | 17,206,115 |
| -1 | -5 | -19 | -95 | -139 | -695 | -1,303 | -2,641 | -6,515 | -13,205 | -24,757 | -123,785 | -181,117 | -905,585 | -3,441,223 | -17,206,115 |
Here are some more numbers to try:
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