A:
Positive:
1 x 119868955 x 239737943 x 278765127 x 94385215 x 55753439 x 27305635 x 188772195 x 5461
Negative:
-1 x -11986895-5 x -2397379-43 x -278765-127 x -94385-215 x -55753-439 x -27305-635 x -18877-2195 x -5461
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 11,986,895, 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 | 11,986,895 | |
| -1 | -11,986,895 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 11,986,895.
Example:
1 x 11,986,895 = 11,986,895
and
-1 x -11,986,895 = 11,986,895
Notice both answers equal 11,986,895
With that explanation out of the way, let's continue. Next, we take the number 11,986,895 and divide it by 2:
11,986,895 ÷ 2 = 5,993,447.5
If the quotient is a whole number, then 2 and 5,993,447.5 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 | 11,986,895 | |
| -1 | -11,986,895 |
Now, we try dividing 11,986,895 by 3:
11,986,895 ÷ 3 = 3,995,631.6667
If the quotient is a whole number, then 3 and 3,995,631.6667 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 | 11,986,895 | |
| -1 | -11,986,895 |
Let's try dividing by 4:
11,986,895 ÷ 4 = 2,996,723.75
If the quotient is a whole number, then 4 and 2,996,723.75 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 | 11,986,895 | |
| -1 | 11,986,895 |
If you did it right, you will end up with this table:
| 1 | 5 | 43 | 127 | 215 | 439 | 635 | 2,195 | 5,461 | 18,877 | 27,305 | 55,753 | 94,385 | 278,765 | 2,397,379 | 11,986,895 |
| -1 | -5 | -43 | -127 | -215 | -439 | -635 | -2,195 | -5,461 | -18,877 | -27,305 | -55,753 | -94,385 | -278,765 | -2,397,379 | -11,986,895 |
Here are some more numbers to try:
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