A:
Positive:
1 x 120682555 x 241365197 x 124415149 x 80995167 x 72265485 x 24883745 x 16199835 x 14453
Negative:
-1 x -12068255-5 x -2413651-97 x -124415-149 x -80995-167 x -72265-485 x -24883-745 x -16199-835 x -14453
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 12,068,255, 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 | 12,068,255 | |
| -1 | -12,068,255 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 12,068,255.
Example:
1 x 12,068,255 = 12,068,255
and
-1 x -12,068,255 = 12,068,255
Notice both answers equal 12,068,255
With that explanation out of the way, let's continue. Next, we take the number 12,068,255 and divide it by 2:
12,068,255 ÷ 2 = 6,034,127.5
If the quotient is a whole number, then 2 and 6,034,127.5 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 | 12,068,255 | |
| -1 | -12,068,255 |
Now, we try dividing 12,068,255 by 3:
12,068,255 ÷ 3 = 4,022,751.6667
If the quotient is a whole number, then 3 and 4,022,751.6667 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 | 12,068,255 | |
| -1 | -12,068,255 |
Let's try dividing by 4:
12,068,255 ÷ 4 = 3,017,063.75
If the quotient is a whole number, then 4 and 3,017,063.75 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 | 12,068,255 | |
| -1 | 12,068,255 |
If you did it right, you will end up with this table:
| 1 | 5 | 97 | 149 | 167 | 485 | 745 | 835 | 14,453 | 16,199 | 24,883 | 72,265 | 80,995 | 124,415 | 2,413,651 | 12,068,255 |
| -1 | -5 | -97 | -149 | -167 | -485 | -745 | -835 | -14,453 | -16,199 | -24,883 | -72,265 | -80,995 | -124,415 | -2,413,651 | -12,068,255 |
Here are some more numbers to try:
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