A:
Positive:
1 x 1178455 x 235697 x 1683513 x 906535 x 336737 x 318549 x 240565 x 181391 x 1295185 x 637245 x 481259 x 455
Negative:
-1 x -117845-5 x -23569-7 x -16835-13 x -9065-35 x -3367-37 x -3185-49 x -2405-65 x -1813-91 x -1295-185 x -637-245 x -481-259 x -455
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 117,845, 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 | 117,845 | |
| -1 | -117,845 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 117,845.
Example:
1 x 117,845 = 117,845
and
-1 x -117,845 = 117,845
Notice both answers equal 117,845
With that explanation out of the way, let's continue. Next, we take the number 117,845 and divide it by 2:
117,845 ÷ 2 = 58,922.5
If the quotient is a whole number, then 2 and 58,922.5 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 | 117,845 | |
| -1 | -117,845 |
Now, we try dividing 117,845 by 3:
117,845 ÷ 3 = 39,281.6667
If the quotient is a whole number, then 3 and 39,281.6667 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 | 117,845 | |
| -1 | -117,845 |
Let's try dividing by 4:
117,845 ÷ 4 = 29,461.25
If the quotient is a whole number, then 4 and 29,461.25 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 | 117,845 | |
| -1 | 117,845 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 13 | 35 | 37 | 49 | 65 | 91 | 185 | 245 | 259 | 455 | 481 | 637 | 1,295 | 1,813 | 2,405 | 3,185 | 3,367 | 9,065 | 16,835 | 23,569 | 117,845 |
| -1 | -5 | -7 | -13 | -35 | -37 | -49 | -65 | -91 | -185 | -245 | -259 | -455 | -481 | -637 | -1,295 | -1,813 | -2,405 | -3,185 | -3,367 | -9,065 | -16,835 | -23,569 | -117,845 |
Here are some more numbers to try:
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