A:
Positive:
1 x 123446655 x 246893331 x 39821573 x 169105155 x 79643365 x 338211091 x 113152263 x 5455
Negative:
-1 x -12344665-5 x -2468933-31 x -398215-73 x -169105-155 x -79643-365 x -33821-1091 x -11315-2263 x -5455
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 12,344,665, 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 | 12,344,665 | |
| -1 | -12,344,665 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 12,344,665.
Example:
1 x 12,344,665 = 12,344,665
and
-1 x -12,344,665 = 12,344,665
Notice both answers equal 12,344,665
With that explanation out of the way, let's continue. Next, we take the number 12,344,665 and divide it by 2:
12,344,665 ÷ 2 = 6,172,332.5
If the quotient is a whole number, then 2 and 6,172,332.5 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 | 12,344,665 | |
| -1 | -12,344,665 |
Now, we try dividing 12,344,665 by 3:
12,344,665 ÷ 3 = 4,114,888.3333
If the quotient is a whole number, then 3 and 4,114,888.3333 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 | 12,344,665 | |
| -1 | -12,344,665 |
Let's try dividing by 4:
12,344,665 ÷ 4 = 3,086,166.25
If the quotient is a whole number, then 4 and 3,086,166.25 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 | 12,344,665 | |
| -1 | 12,344,665 |
If you did it right, you will end up with this table:
| 1 | 5 | 31 | 73 | 155 | 365 | 1,091 | 2,263 | 5,455 | 11,315 | 33,821 | 79,643 | 169,105 | 398,215 | 2,468,933 | 12,344,665 |
| -1 | -5 | -31 | -73 | -155 | -365 | -1,091 | -2,263 | -5,455 | -11,315 | -33,821 | -79,643 | -169,105 | -398,215 | -2,468,933 | -12,344,665 |
Here are some more numbers to try:
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