A:
Positive:
1 x 1121535177 x 1602193171 x 1579627113 x 992509497 x 225661791 x 1417871997 x 561618023 x 13979
Negative:
-1 x -112153517-7 x -16021931-71 x -1579627-113 x -992509-497 x -225661-791 x -141787-1997 x -56161-8023 x -13979
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 112,153,517, 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 | 112,153,517 | |
| -1 | -112,153,517 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 112,153,517.
Example:
1 x 112,153,517 = 112,153,517
and
-1 x -112,153,517 = 112,153,517
Notice both answers equal 112,153,517
With that explanation out of the way, let's continue. Next, we take the number 112,153,517 and divide it by 2:
112,153,517 ÷ 2 = 56,076,758.5
If the quotient is a whole number, then 2 and 56,076,758.5 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 | 112,153,517 | |
| -1 | -112,153,517 |
Now, we try dividing 112,153,517 by 3:
112,153,517 ÷ 3 = 37,384,505.6667
If the quotient is a whole number, then 3 and 37,384,505.6667 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 | 112,153,517 | |
| -1 | -112,153,517 |
Let's try dividing by 4:
112,153,517 ÷ 4 = 28,038,379.25
If the quotient is a whole number, then 4 and 28,038,379.25 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 | 112,153,517 | |
| -1 | 112,153,517 |
If you did it right, you will end up with this table:
| 1 | 7 | 71 | 113 | 497 | 791 | 1,997 | 8,023 | 13,979 | 56,161 | 141,787 | 225,661 | 992,509 | 1,579,627 | 16,021,931 | 112,153,517 |
| -1 | -7 | -71 | -113 | -497 | -791 | -1,997 | -8,023 | -13,979 | -56,161 | -141,787 | -225,661 | -992,509 | -1,579,627 | -16,021,931 | -112,153,517 |
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