A:
Positive:
1 x 2741217713 x 210862917 x 161248171 x 386087221 x 124037923 x 296991207 x 227111747 x 15691
Negative:
-1 x -27412177-13 x -2108629-17 x -1612481-71 x -386087-221 x -124037-923 x -29699-1207 x -22711-1747 x -15691
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 27,412,177, 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 | 27,412,177 | |
| -1 | -27,412,177 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 27,412,177.
Example:
1 x 27,412,177 = 27,412,177
and
-1 x -27,412,177 = 27,412,177
Notice both answers equal 27,412,177
With that explanation out of the way, let's continue. Next, we take the number 27,412,177 and divide it by 2:
27,412,177 ÷ 2 = 13,706,088.5
If the quotient is a whole number, then 2 and 13,706,088.5 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 | 27,412,177 | |
| -1 | -27,412,177 |
Now, we try dividing 27,412,177 by 3:
27,412,177 ÷ 3 = 9,137,392.3333
If the quotient is a whole number, then 3 and 9,137,392.3333 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 | 27,412,177 | |
| -1 | -27,412,177 |
Let's try dividing by 4:
27,412,177 ÷ 4 = 6,853,044.25
If the quotient is a whole number, then 4 and 6,853,044.25 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 | 27,412,177 | |
| -1 | 27,412,177 |
If you did it right, you will end up with this table:
| 1 | 13 | 17 | 71 | 221 | 923 | 1,207 | 1,747 | 15,691 | 22,711 | 29,699 | 124,037 | 386,087 | 1,612,481 | 2,108,629 | 27,412,177 |
| -1 | -13 | -17 | -71 | -221 | -923 | -1,207 | -1,747 | -15,691 | -22,711 | -29,699 | -124,037 | -386,087 | -1,612,481 | -2,108,629 | -27,412,177 |
Here are some more numbers to try:
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