A:
Positive:
1 x 4812303055 x 9624606117 x 2830766585 x 5661533127 x 3789215635 x 7578432159 x 22289510795 x 44579
Negative:
-1 x -481230305-5 x -96246061-17 x -28307665-85 x -5661533-127 x -3789215-635 x -757843-2159 x -222895-10795 x -44579
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 481,230,305, 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 | 481,230,305 | |
| -1 | -481,230,305 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 481,230,305.
Example:
1 x 481,230,305 = 481,230,305
and
-1 x -481,230,305 = 481,230,305
Notice both answers equal 481,230,305
With that explanation out of the way, let's continue. Next, we take the number 481,230,305 and divide it by 2:
481,230,305 ÷ 2 = 240,615,152.5
If the quotient is a whole number, then 2 and 240,615,152.5 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 | 481,230,305 | |
| -1 | -481,230,305 |
Now, we try dividing 481,230,305 by 3:
481,230,305 ÷ 3 = 160,410,101.6667
If the quotient is a whole number, then 3 and 160,410,101.6667 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 | 481,230,305 | |
| -1 | -481,230,305 |
Let's try dividing by 4:
481,230,305 ÷ 4 = 120,307,576.25
If the quotient is a whole number, then 4 and 120,307,576.25 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 | 481,230,305 | |
| -1 | 481,230,305 |
If you did it right, you will end up with this table:
| 1 | 5 | 17 | 85 | 127 | 635 | 2,159 | 10,795 | 44,579 | 222,895 | 757,843 | 3,789,215 | 5,661,533 | 28,307,665 | 96,246,061 | 481,230,305 |
| -1 | -5 | -17 | -85 | -127 | -635 | -2,159 | -10,795 | -44,579 | -222,895 | -757,843 | -3,789,215 | -5,661,533 | -28,307,665 | -96,246,061 | -481,230,305 |
Here are some more numbers to try:
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