A:
Positive:
1 x 50804055 x 101608111 x 46185555 x 9237171 x 71555355 x 14311781 x 65051301 x 3905
Negative:
-1 x -5080405-5 x -1016081-11 x -461855-55 x -92371-71 x -71555-355 x -14311-781 x -6505-1301 x -3905
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 5,080,405, 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 | 5,080,405 | |
| -1 | -5,080,405 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 5,080,405.
Example:
1 x 5,080,405 = 5,080,405
and
-1 x -5,080,405 = 5,080,405
Notice both answers equal 5,080,405
With that explanation out of the way, let's continue. Next, we take the number 5,080,405 and divide it by 2:
5,080,405 ÷ 2 = 2,540,202.5
If the quotient is a whole number, then 2 and 2,540,202.5 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 | 5,080,405 | |
| -1 | -5,080,405 |
Now, we try dividing 5,080,405 by 3:
5,080,405 ÷ 3 = 1,693,468.3333
If the quotient is a whole number, then 3 and 1,693,468.3333 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 | 5,080,405 | |
| -1 | -5,080,405 |
Let's try dividing by 4:
5,080,405 ÷ 4 = 1,270,101.25
If the quotient is a whole number, then 4 and 1,270,101.25 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 | 5,080,405 | |
| -1 | 5,080,405 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 55 | 71 | 355 | 781 | 1,301 | 3,905 | 6,505 | 14,311 | 71,555 | 92,371 | 461,855 | 1,016,081 | 5,080,405 |
| -1 | -5 | -11 | -55 | -71 | -355 | -781 | -1,301 | -3,905 | -6,505 | -14,311 | -71,555 | -92,371 | -461,855 | -1,016,081 | -5,080,405 |
Here are some more numbers to try:
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