A:
Positive:
1 x 162276255 x 324552525 x 649105125 x 129821131 x 123875655 x 24775991 x 163753275 x 4955
Negative:
-1 x -16227625-5 x -3245525-25 x -649105-125 x -129821-131 x -123875-655 x -24775-991 x -16375-3275 x -4955
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 16,227,625, 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 | 16,227,625 | |
| -1 | -16,227,625 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 16,227,625.
Example:
1 x 16,227,625 = 16,227,625
and
-1 x -16,227,625 = 16,227,625
Notice both answers equal 16,227,625
With that explanation out of the way, let's continue. Next, we take the number 16,227,625 and divide it by 2:
16,227,625 ÷ 2 = 8,113,812.5
If the quotient is a whole number, then 2 and 8,113,812.5 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 | 16,227,625 | |
| -1 | -16,227,625 |
Now, we try dividing 16,227,625 by 3:
16,227,625 ÷ 3 = 5,409,208.3333
If the quotient is a whole number, then 3 and 5,409,208.3333 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 | 16,227,625 | |
| -1 | -16,227,625 |
Let's try dividing by 4:
16,227,625 ÷ 4 = 4,056,906.25
If the quotient is a whole number, then 4 and 4,056,906.25 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 | 16,227,625 | |
| -1 | 16,227,625 |
If you did it right, you will end up with this table:
| 1 | 5 | 25 | 125 | 131 | 655 | 991 | 3,275 | 4,955 | 16,375 | 24,775 | 123,875 | 129,821 | 649,105 | 3,245,525 | 16,227,625 |
| -1 | -5 | -25 | -125 | -131 | -655 | -991 | -3,275 | -4,955 | -16,375 | -24,775 | -123,875 | -129,821 | -649,105 | -3,245,525 | -16,227,625 |
Here are some more numbers to try:
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