A:
Positive:
1 x 1131310155 x 2262620337 x 305759589 x 1271135185 x 611519445 x 2542273293 x 343556871 x 16465
Negative:
-1 x -113131015-5 x -22626203-37 x -3057595-89 x -1271135-185 x -611519-445 x -254227-3293 x -34355-6871 x -16465
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 113,131,015, 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 | 113,131,015 | |
| -1 | -113,131,015 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 113,131,015.
Example:
1 x 113,131,015 = 113,131,015
and
-1 x -113,131,015 = 113,131,015
Notice both answers equal 113,131,015
With that explanation out of the way, let's continue. Next, we take the number 113,131,015 and divide it by 2:
113,131,015 ÷ 2 = 56,565,507.5
If the quotient is a whole number, then 2 and 56,565,507.5 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 | 113,131,015 | |
| -1 | -113,131,015 |
Now, we try dividing 113,131,015 by 3:
113,131,015 ÷ 3 = 37,710,338.3333
If the quotient is a whole number, then 3 and 37,710,338.3333 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 | 113,131,015 | |
| -1 | -113,131,015 |
Let's try dividing by 4:
113,131,015 ÷ 4 = 28,282,753.75
If the quotient is a whole number, then 4 and 28,282,753.75 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 | 113,131,015 | |
| -1 | 113,131,015 |
If you did it right, you will end up with this table:
| 1 | 5 | 37 | 89 | 185 | 445 | 3,293 | 6,871 | 16,465 | 34,355 | 254,227 | 611,519 | 1,271,135 | 3,057,595 | 22,626,203 | 113,131,015 |
| -1 | -5 | -37 | -89 | -185 | -445 | -3,293 | -6,871 | -16,465 | -34,355 | -254,227 | -611,519 | -1,271,135 | -3,057,595 | -22,626,203 | -113,131,015 |
Here are some more numbers to try:
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