A:
Positive:
1 x 4030432255 x 8060864513 x 3100332517 x 2370842525 x 1612172965 x 620066585 x 4741685221 x 1823725325 x 1240133425 x 9483371105 x 3647455525 x 72949
Negative:
-1 x -403043225-5 x -80608645-13 x -31003325-17 x -23708425-25 x -16121729-65 x -6200665-85 x -4741685-221 x -1823725-325 x -1240133-425 x -948337-1105 x -364745-5525 x -72949
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 403,043,225, 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 | 403,043,225 | |
| -1 | -403,043,225 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 403,043,225.
Example:
1 x 403,043,225 = 403,043,225
and
-1 x -403,043,225 = 403,043,225
Notice both answers equal 403,043,225
With that explanation out of the way, let's continue. Next, we take the number 403,043,225 and divide it by 2:
403,043,225 ÷ 2 = 201,521,612.5
If the quotient is a whole number, then 2 and 201,521,612.5 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 | 403,043,225 | |
| -1 | -403,043,225 |
Now, we try dividing 403,043,225 by 3:
403,043,225 ÷ 3 = 134,347,741.6667
If the quotient is a whole number, then 3 and 134,347,741.6667 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 | 403,043,225 | |
| -1 | -403,043,225 |
Let's try dividing by 4:
403,043,225 ÷ 4 = 100,760,806.25
If the quotient is a whole number, then 4 and 100,760,806.25 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 | 403,043,225 | |
| -1 | 403,043,225 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 17 | 25 | 65 | 85 | 221 | 325 | 425 | 1,105 | 5,525 | 72,949 | 364,745 | 948,337 | 1,240,133 | 1,823,725 | 4,741,685 | 6,200,665 | 16,121,729 | 23,708,425 | 31,003,325 | 80,608,645 | 403,043,225 |
| -1 | -5 | -13 | -17 | -25 | -65 | -85 | -221 | -325 | -425 | -1,105 | -5,525 | -72,949 | -364,745 | -948,337 | -1,240,133 | -1,823,725 | -4,741,685 | -6,200,665 | -16,121,729 | -23,708,425 | -31,003,325 | -80,608,645 | -403,043,225 |
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