A:
Positive:
1 x 182496255 x 364992525 x 72998583 x 219875125 x 145997415 x 439751759 x 103752075 x 8795
Negative:
-1 x -18249625-5 x -3649925-25 x -729985-83 x -219875-125 x -145997-415 x -43975-1759 x -10375-2075 x -8795
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 18,249,625, 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 | 18,249,625 | |
| -1 | -18,249,625 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 18,249,625.
Example:
1 x 18,249,625 = 18,249,625
and
-1 x -18,249,625 = 18,249,625
Notice both answers equal 18,249,625
With that explanation out of the way, let's continue. Next, we take the number 18,249,625 and divide it by 2:
18,249,625 ÷ 2 = 9,124,812.5
If the quotient is a whole number, then 2 and 9,124,812.5 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 | 18,249,625 | |
| -1 | -18,249,625 |
Now, we try dividing 18,249,625 by 3:
18,249,625 ÷ 3 = 6,083,208.3333
If the quotient is a whole number, then 3 and 6,083,208.3333 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 | 18,249,625 | |
| -1 | -18,249,625 |
Let's try dividing by 4:
18,249,625 ÷ 4 = 4,562,406.25
If the quotient is a whole number, then 4 and 4,562,406.25 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 | 18,249,625 | |
| -1 | 18,249,625 |
If you did it right, you will end up with this table:
| 1 | 5 | 25 | 83 | 125 | 415 | 1,759 | 2,075 | 8,795 | 10,375 | 43,975 | 145,997 | 219,875 | 729,985 | 3,649,925 | 18,249,625 |
| -1 | -5 | -25 | -83 | -125 | -415 | -1,759 | -2,075 | -8,795 | -10,375 | -43,975 | -145,997 | -219,875 | -729,985 | -3,649,925 | -18,249,625 |
Here are some more numbers to try:
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