A:
Positive:
1 x 270601877 x 386574111 x 246001777 x 35143197 x 278971679 x 398531067 x 253613623 x 7469
Negative:
-1 x -27060187-7 x -3865741-11 x -2460017-77 x -351431-97 x -278971-679 x -39853-1067 x -25361-3623 x -7469
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 27,060,187, 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 | 27,060,187 | |
| -1 | -27,060,187 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 27,060,187.
Example:
1 x 27,060,187 = 27,060,187
and
-1 x -27,060,187 = 27,060,187
Notice both answers equal 27,060,187
With that explanation out of the way, let's continue. Next, we take the number 27,060,187 and divide it by 2:
27,060,187 ÷ 2 = 13,530,093.5
If the quotient is a whole number, then 2 and 13,530,093.5 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 | 27,060,187 | |
| -1 | -27,060,187 |
Now, we try dividing 27,060,187 by 3:
27,060,187 ÷ 3 = 9,020,062.3333
If the quotient is a whole number, then 3 and 9,020,062.3333 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 | 27,060,187 | |
| -1 | -27,060,187 |
Let's try dividing by 4:
27,060,187 ÷ 4 = 6,765,046.75
If the quotient is a whole number, then 4 and 6,765,046.75 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 | 27,060,187 | |
| -1 | 27,060,187 |
If you did it right, you will end up with this table:
| 1 | 7 | 11 | 77 | 97 | 679 | 1,067 | 3,623 | 7,469 | 25,361 | 39,853 | 278,971 | 351,431 | 2,460,017 | 3,865,741 | 27,060,187 |
| -1 | -7 | -11 | -77 | -97 | -679 | -1,067 | -3,623 | -7,469 | -25,361 | -39,853 | -278,971 | -351,431 | -2,460,017 | -3,865,741 | -27,060,187 |
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