A:
Positive:
1 x 277959955 x 555919931 x 896645155 x 179329389 x 71455461 x 602951945 x 142912305 x 12059
Negative:
-1 x -27795995-5 x -5559199-31 x -896645-155 x -179329-389 x -71455-461 x -60295-1945 x -14291-2305 x -12059
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 27,795,995, 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 | 27,795,995 | |
| -1 | -27,795,995 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 27,795,995.
Example:
1 x 27,795,995 = 27,795,995
and
-1 x -27,795,995 = 27,795,995
Notice both answers equal 27,795,995
With that explanation out of the way, let's continue. Next, we take the number 27,795,995 and divide it by 2:
27,795,995 ÷ 2 = 13,897,997.5
If the quotient is a whole number, then 2 and 13,897,997.5 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 | 27,795,995 | |
| -1 | -27,795,995 |
Now, we try dividing 27,795,995 by 3:
27,795,995 ÷ 3 = 9,265,331.6667
If the quotient is a whole number, then 3 and 9,265,331.6667 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 | 27,795,995 | |
| -1 | -27,795,995 |
Let's try dividing by 4:
27,795,995 ÷ 4 = 6,948,998.75
If the quotient is a whole number, then 4 and 6,948,998.75 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 | 27,795,995 | |
| -1 | 27,795,995 |
If you did it right, you will end up with this table:
| 1 | 5 | 31 | 155 | 389 | 461 | 1,945 | 2,305 | 12,059 | 14,291 | 60,295 | 71,455 | 179,329 | 896,645 | 5,559,199 | 27,795,995 |
| -1 | -5 | -31 | -155 | -389 | -461 | -1,945 | -2,305 | -12,059 | -14,291 | -60,295 | -71,455 | -179,329 | -896,645 | -5,559,199 | -27,795,995 |
Here are some more numbers to try:
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