A:
Positive:
1 x 276665355 x 553330713 x 212819565 x 425639433 x 63895983 x 281452165 x 127794915 x 5629
Negative:
-1 x -27666535-5 x -5533307-13 x -2128195-65 x -425639-433 x -63895-983 x -28145-2165 x -12779-4915 x -5629
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 27,666,535, 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 | 27,666,535 | |
| -1 | -27,666,535 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 27,666,535.
Example:
1 x 27,666,535 = 27,666,535
and
-1 x -27,666,535 = 27,666,535
Notice both answers equal 27,666,535
With that explanation out of the way, let's continue. Next, we take the number 27,666,535 and divide it by 2:
27,666,535 ÷ 2 = 13,833,267.5
If the quotient is a whole number, then 2 and 13,833,267.5 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 | 27,666,535 | |
| -1 | -27,666,535 |
Now, we try dividing 27,666,535 by 3:
27,666,535 ÷ 3 = 9,222,178.3333
If the quotient is a whole number, then 3 and 9,222,178.3333 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 | 27,666,535 | |
| -1 | -27,666,535 |
Let's try dividing by 4:
27,666,535 ÷ 4 = 6,916,633.75
If the quotient is a whole number, then 4 and 6,916,633.75 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 | 27,666,535 | |
| -1 | 27,666,535 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 65 | 433 | 983 | 2,165 | 4,915 | 5,629 | 12,779 | 28,145 | 63,895 | 425,639 | 2,128,195 | 5,533,307 | 27,666,535 |
| -1 | -5 | -13 | -65 | -433 | -983 | -2,165 | -4,915 | -5,629 | -12,779 | -28,145 | -63,895 | -425,639 | -2,128,195 | -5,533,307 | -27,666,535 |
Here are some more numbers to try:
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