A:
Positive:
1 x 3264137455 x 652827497 x 4663053535 x 932610749 x 666150561 x 5351045245 x 1332301305 x 1070209427 x 7644352135 x 1528872989 x 10920514945 x 21841
Negative:
-1 x -326413745-5 x -65282749-7 x -46630535-35 x -9326107-49 x -6661505-61 x -5351045-245 x -1332301-305 x -1070209-427 x -764435-2135 x -152887-2989 x -109205-14945 x -21841
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 326,413,745, 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 | 326,413,745 | |
| -1 | -326,413,745 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 326,413,745.
Example:
1 x 326,413,745 = 326,413,745
and
-1 x -326,413,745 = 326,413,745
Notice both answers equal 326,413,745
With that explanation out of the way, let's continue. Next, we take the number 326,413,745 and divide it by 2:
326,413,745 ÷ 2 = 163,206,872.5
If the quotient is a whole number, then 2 and 163,206,872.5 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 | 326,413,745 | |
| -1 | -326,413,745 |
Now, we try dividing 326,413,745 by 3:
326,413,745 ÷ 3 = 108,804,581.6667
If the quotient is a whole number, then 3 and 108,804,581.6667 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 | 326,413,745 | |
| -1 | -326,413,745 |
Let's try dividing by 4:
326,413,745 ÷ 4 = 81,603,436.25
If the quotient is a whole number, then 4 and 81,603,436.25 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 | 326,413,745 | |
| -1 | 326,413,745 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 35 | 49 | 61 | 245 | 305 | 427 | 2,135 | 2,989 | 14,945 | 21,841 | 109,205 | 152,887 | 764,435 | 1,070,209 | 1,332,301 | 5,351,045 | 6,661,505 | 9,326,107 | 46,630,535 | 65,282,749 | 326,413,745 |
| -1 | -5 | -7 | -35 | -49 | -61 | -245 | -305 | -427 | -2,135 | -2,989 | -14,945 | -21,841 | -109,205 | -152,887 | -764,435 | -1,070,209 | -1,332,301 | -5,351,045 | -6,661,505 | -9,326,107 | -46,630,535 | -65,282,749 | -326,413,745 |
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