A:
Positive:
1 x 86522155 x 173044311 x 78656513 x 66555555 x 15731365 x 133111143 x 60505715 x 12101
Negative:
-1 x -8652215-5 x -1730443-11 x -786565-13 x -665555-55 x -157313-65 x -133111-143 x -60505-715 x -12101
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 8,652,215, 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 | 8,652,215 | |
| -1 | -8,652,215 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 8,652,215.
Example:
1 x 8,652,215 = 8,652,215
and
-1 x -8,652,215 = 8,652,215
Notice both answers equal 8,652,215
With that explanation out of the way, let's continue. Next, we take the number 8,652,215 and divide it by 2:
8,652,215 ÷ 2 = 4,326,107.5
If the quotient is a whole number, then 2 and 4,326,107.5 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 | 8,652,215 | |
| -1 | -8,652,215 |
Now, we try dividing 8,652,215 by 3:
8,652,215 ÷ 3 = 2,884,071.6667
If the quotient is a whole number, then 3 and 2,884,071.6667 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 | 8,652,215 | |
| -1 | -8,652,215 |
Let's try dividing by 4:
8,652,215 ÷ 4 = 2,163,053.75
If the quotient is a whole number, then 4 and 2,163,053.75 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 | 8,652,215 | |
| -1 | 8,652,215 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 13 | 55 | 65 | 143 | 715 | 12,101 | 60,505 | 133,111 | 157,313 | 665,555 | 786,565 | 1,730,443 | 8,652,215 |
| -1 | -5 | -11 | -13 | -55 | -65 | -143 | -715 | -12,101 | -60,505 | -133,111 | -157,313 | -665,555 | -786,565 | -1,730,443 | -8,652,215 |
Here are some more numbers to try:
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