A:
Positive:
1 x 1155999141 x 28195143 x 26883779 x 14632983 x 1392771763 x 65573239 x 35693397 x 3403
Negative:
-1 x -11559991-41 x -281951-43 x -268837-79 x -146329-83 x -139277-1763 x -6557-3239 x -3569-3397 x -3403
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 11,559,991, 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 | 11,559,991 | |
| -1 | -11,559,991 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 11,559,991.
Example:
1 x 11,559,991 = 11,559,991
and
-1 x -11,559,991 = 11,559,991
Notice both answers equal 11,559,991
With that explanation out of the way, let's continue. Next, we take the number 11,559,991 and divide it by 2:
11,559,991 ÷ 2 = 5,779,995.5
If the quotient is a whole number, then 2 and 5,779,995.5 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 | 11,559,991 | |
| -1 | -11,559,991 |
Now, we try dividing 11,559,991 by 3:
11,559,991 ÷ 3 = 3,853,330.3333
If the quotient is a whole number, then 3 and 3,853,330.3333 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 | 11,559,991 | |
| -1 | -11,559,991 |
Let's try dividing by 4:
11,559,991 ÷ 4 = 2,889,997.75
If the quotient is a whole number, then 4 and 2,889,997.75 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 | 11,559,991 | |
| -1 | 11,559,991 |
If you did it right, you will end up with this table:
| 1 | 41 | 43 | 79 | 83 | 1,763 | 3,239 | 3,397 | 3,403 | 3,569 | 6,557 | 139,277 | 146,329 | 268,837 | 281,951 | 11,559,991 |
| -1 | -41 | -43 | -79 | -83 | -1,763 | -3,239 | -3,397 | -3,403 | -3,569 | -6,557 | -139,277 | -146,329 | -268,837 | -281,951 | -11,559,991 |
Here are some more numbers to try:
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