A:
Positive:
1 x 1118718711 x 101701731 x 36087753 x 211079341 x 32807583 x 19189619 x 180731643 x 6809
Negative:
-1 x -11187187-11 x -1017017-31 x -360877-53 x -211079-341 x -32807-583 x -19189-619 x -18073-1643 x -6809
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 11,187,187, 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 | 11,187,187 | |
| -1 | -11,187,187 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 11,187,187.
Example:
1 x 11,187,187 = 11,187,187
and
-1 x -11,187,187 = 11,187,187
Notice both answers equal 11,187,187
With that explanation out of the way, let's continue. Next, we take the number 11,187,187 and divide it by 2:
11,187,187 ÷ 2 = 5,593,593.5
If the quotient is a whole number, then 2 and 5,593,593.5 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 | 11,187,187 | |
| -1 | -11,187,187 |
Now, we try dividing 11,187,187 by 3:
11,187,187 ÷ 3 = 3,729,062.3333
If the quotient is a whole number, then 3 and 3,729,062.3333 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 | 11,187,187 | |
| -1 | -11,187,187 |
Let's try dividing by 4:
11,187,187 ÷ 4 = 2,796,796.75
If the quotient is a whole number, then 4 and 2,796,796.75 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 | 11,187,187 | |
| -1 | 11,187,187 |
If you did it right, you will end up with this table:
| 1 | 11 | 31 | 53 | 341 | 583 | 619 | 1,643 | 6,809 | 18,073 | 19,189 | 32,807 | 211,079 | 360,877 | 1,017,017 | 11,187,187 |
| -1 | -11 | -31 | -53 | -341 | -583 | -619 | -1,643 | -6,809 | -18,073 | -19,189 | -32,807 | -211,079 | -360,877 | -1,017,017 | -11,187,187 |
Here are some more numbers to try:
Try the factor calculator