A:
Positive:
1 x 172126855 x 34425377 x 245895535 x 49179143 x 400295215 x 80059301 x 571851505 x 11437
Negative:
-1 x -17212685-5 x -3442537-7 x -2458955-35 x -491791-43 x -400295-215 x -80059-301 x -57185-1505 x -11437
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 17,212,685, 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 | 17,212,685 | |
| -1 | -17,212,685 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 17,212,685.
Example:
1 x 17,212,685 = 17,212,685
and
-1 x -17,212,685 = 17,212,685
Notice both answers equal 17,212,685
With that explanation out of the way, let's continue. Next, we take the number 17,212,685 and divide it by 2:
17,212,685 ÷ 2 = 8,606,342.5
If the quotient is a whole number, then 2 and 8,606,342.5 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 | 17,212,685 | |
| -1 | -17,212,685 |
Now, we try dividing 17,212,685 by 3:
17,212,685 ÷ 3 = 5,737,561.6667
If the quotient is a whole number, then 3 and 5,737,561.6667 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 | 17,212,685 | |
| -1 | -17,212,685 |
Let's try dividing by 4:
17,212,685 ÷ 4 = 4,303,171.25
If the quotient is a whole number, then 4 and 4,303,171.25 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 | 17,212,685 | |
| -1 | 17,212,685 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 35 | 43 | 215 | 301 | 1,505 | 11,437 | 57,185 | 80,059 | 400,295 | 491,791 | 2,458,955 | 3,442,537 | 17,212,685 |
| -1 | -5 | -7 | -35 | -43 | -215 | -301 | -1,505 | -11,437 | -57,185 | -80,059 | -400,295 | -491,791 | -2,458,955 | -3,442,537 | -17,212,685 |
Here are some more numbers to try:
Try the factor calculator