A:
Positive:
1 x 307953255 x 615906511 x 279957525 x 123181355 x 559915113 x 272525275 x 111983565 x 54505991 x 310751243 x 247752825 x 109014955 x 6215
Negative:
-1 x -30795325-5 x -6159065-11 x -2799575-25 x -1231813-55 x -559915-113 x -272525-275 x -111983-565 x -54505-991 x -31075-1243 x -24775-2825 x -10901-4955 x -6215
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 30,795,325, 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 | 30,795,325 | |
| -1 | -30,795,325 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 30,795,325.
Example:
1 x 30,795,325 = 30,795,325
and
-1 x -30,795,325 = 30,795,325
Notice both answers equal 30,795,325
With that explanation out of the way, let's continue. Next, we take the number 30,795,325 and divide it by 2:
30,795,325 ÷ 2 = 15,397,662.5
If the quotient is a whole number, then 2 and 15,397,662.5 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 | 30,795,325 | |
| -1 | -30,795,325 |
Now, we try dividing 30,795,325 by 3:
30,795,325 ÷ 3 = 10,265,108.3333
If the quotient is a whole number, then 3 and 10,265,108.3333 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 | 30,795,325 | |
| -1 | -30,795,325 |
Let's try dividing by 4:
30,795,325 ÷ 4 = 7,698,831.25
If the quotient is a whole number, then 4 and 7,698,831.25 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 | 30,795,325 | |
| -1 | 30,795,325 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 25 | 55 | 113 | 275 | 565 | 991 | 1,243 | 2,825 | 4,955 | 6,215 | 10,901 | 24,775 | 31,075 | 54,505 | 111,983 | 272,525 | 559,915 | 1,231,813 | 2,799,575 | 6,159,065 | 30,795,325 |
| -1 | -5 | -11 | -25 | -55 | -113 | -275 | -565 | -991 | -1,243 | -2,825 | -4,955 | -6,215 | -10,901 | -24,775 | -31,075 | -54,505 | -111,983 | -272,525 | -559,915 | -1,231,813 | -2,799,575 | -6,159,065 | -30,795,325 |
Here are some more numbers to try:
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