A:
Positive:
1 x 111283255 x 222566513 x 85602525 x 44513365 x 17120597 x 114725325 x 34241353 x 31525485 x 229451261 x 88251765 x 63052425 x 4589
Negative:
-1 x -11128325-5 x -2225665-13 x -856025-25 x -445133-65 x -171205-97 x -114725-325 x -34241-353 x -31525-485 x -22945-1261 x -8825-1765 x -6305-2425 x -4589
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 11,128,325, 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 | 11,128,325 | |
| -1 | -11,128,325 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 11,128,325.
Example:
1 x 11,128,325 = 11,128,325
and
-1 x -11,128,325 = 11,128,325
Notice both answers equal 11,128,325
With that explanation out of the way, let's continue. Next, we take the number 11,128,325 and divide it by 2:
11,128,325 ÷ 2 = 5,564,162.5
If the quotient is a whole number, then 2 and 5,564,162.5 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 | 11,128,325 | |
| -1 | -11,128,325 |
Now, we try dividing 11,128,325 by 3:
11,128,325 ÷ 3 = 3,709,441.6667
If the quotient is a whole number, then 3 and 3,709,441.6667 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 | 11,128,325 | |
| -1 | -11,128,325 |
Let's try dividing by 4:
11,128,325 ÷ 4 = 2,782,081.25
If the quotient is a whole number, then 4 and 2,782,081.25 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 | 11,128,325 | |
| -1 | 11,128,325 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 25 | 65 | 97 | 325 | 353 | 485 | 1,261 | 1,765 | 2,425 | 4,589 | 6,305 | 8,825 | 22,945 | 31,525 | 34,241 | 114,725 | 171,205 | 445,133 | 856,025 | 2,225,665 | 11,128,325 |
| -1 | -5 | -13 | -25 | -65 | -97 | -325 | -353 | -485 | -1,261 | -1,765 | -2,425 | -4,589 | -6,305 | -8,825 | -22,945 | -31,525 | -34,241 | -114,725 | -171,205 | -445,133 | -856,025 | -2,225,665 | -11,128,325 |
Here are some more numbers to try:
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