A:
Positive:
1 x 805550277 x 1150786117 x 4738531119 x 676933151 x 5334771057 x 762112567 x 313814483 x 17969
Negative:
-1 x -80555027-7 x -11507861-17 x -4738531-119 x -676933-151 x -533477-1057 x -76211-2567 x -31381-4483 x -17969
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 80,555,027, 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 | 80,555,027 | |
| -1 | -80,555,027 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 80,555,027.
Example:
1 x 80,555,027 = 80,555,027
and
-1 x -80,555,027 = 80,555,027
Notice both answers equal 80,555,027
With that explanation out of the way, let's continue. Next, we take the number 80,555,027 and divide it by 2:
80,555,027 ÷ 2 = 40,277,513.5
If the quotient is a whole number, then 2 and 40,277,513.5 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 | 80,555,027 | |
| -1 | -80,555,027 |
Now, we try dividing 80,555,027 by 3:
80,555,027 ÷ 3 = 26,851,675.6667
If the quotient is a whole number, then 3 and 26,851,675.6667 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 | 80,555,027 | |
| -1 | -80,555,027 |
Let's try dividing by 4:
80,555,027 ÷ 4 = 20,138,756.75
If the quotient is a whole number, then 4 and 20,138,756.75 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 | 80,555,027 | |
| -1 | 80,555,027 |
If you did it right, you will end up with this table:
| 1 | 7 | 17 | 119 | 151 | 1,057 | 2,567 | 4,483 | 17,969 | 31,381 | 76,211 | 533,477 | 676,933 | 4,738,531 | 11,507,861 | 80,555,027 |
| -1 | -7 | -17 | -119 | -151 | -1,057 | -2,567 | -4,483 | -17,969 | -31,381 | -76,211 | -533,477 | -676,933 | -4,738,531 | -11,507,861 | -80,555,027 |
Here are some more numbers to try:
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