A:
Positive:
1 x 1088619255 x 2177238519 x 572957525 x 435447731 x 351167595 x 1145915155 x 702335475 x 229183589 x 184825775 x 1404672945 x 369657393 x 14725
Negative:
-1 x -108861925-5 x -21772385-19 x -5729575-25 x -4354477-31 x -3511675-95 x -1145915-155 x -702335-475 x -229183-589 x -184825-775 x -140467-2945 x -36965-7393 x -14725
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 108,861,925, 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 | 108,861,925 | |
| -1 | -108,861,925 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 108,861,925.
Example:
1 x 108,861,925 = 108,861,925
and
-1 x -108,861,925 = 108,861,925
Notice both answers equal 108,861,925
With that explanation out of the way, let's continue. Next, we take the number 108,861,925 and divide it by 2:
108,861,925 ÷ 2 = 54,430,962.5
If the quotient is a whole number, then 2 and 54,430,962.5 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 | 108,861,925 | |
| -1 | -108,861,925 |
Now, we try dividing 108,861,925 by 3:
108,861,925 ÷ 3 = 36,287,308.3333
If the quotient is a whole number, then 3 and 36,287,308.3333 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 | 108,861,925 | |
| -1 | -108,861,925 |
Let's try dividing by 4:
108,861,925 ÷ 4 = 27,215,481.25
If the quotient is a whole number, then 4 and 27,215,481.25 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 | 108,861,925 | |
| -1 | 108,861,925 |
If you did it right, you will end up with this table:
| 1 | 5 | 19 | 25 | 31 | 95 | 155 | 475 | 589 | 775 | 2,945 | 7,393 | 14,725 | 36,965 | 140,467 | 184,825 | 229,183 | 702,335 | 1,145,915 | 3,511,675 | 4,354,477 | 5,729,575 | 21,772,385 | 108,861,925 |
| -1 | -5 | -19 | -25 | -31 | -95 | -155 | -475 | -589 | -775 | -2,945 | -7,393 | -14,725 | -36,965 | -140,467 | -184,825 | -229,183 | -702,335 | -1,145,915 | -3,511,675 | -4,354,477 | -5,729,575 | -21,772,385 | -108,861,925 |
Here are some more numbers to try:
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