A:
Positive:
1 x 12032203917 x 707776723 x 523139337 x 3251947391 x 307729629 x 191291851 x 1413898317 x 14467
Negative:
-1 x -120322039-17 x -7077767-23 x -5231393-37 x -3251947-391 x -307729-629 x -191291-851 x -141389-8317 x -14467
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 120,322,039, 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 | 120,322,039 | |
| -1 | -120,322,039 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 120,322,039.
Example:
1 x 120,322,039 = 120,322,039
and
-1 x -120,322,039 = 120,322,039
Notice both answers equal 120,322,039
With that explanation out of the way, let's continue. Next, we take the number 120,322,039 and divide it by 2:
120,322,039 ÷ 2 = 60,161,019.5
If the quotient is a whole number, then 2 and 60,161,019.5 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 | 120,322,039 | |
| -1 | -120,322,039 |
Now, we try dividing 120,322,039 by 3:
120,322,039 ÷ 3 = 40,107,346.3333
If the quotient is a whole number, then 3 and 40,107,346.3333 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 | 120,322,039 | |
| -1 | -120,322,039 |
Let's try dividing by 4:
120,322,039 ÷ 4 = 30,080,509.75
If the quotient is a whole number, then 4 and 30,080,509.75 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 | 120,322,039 | |
| -1 | 120,322,039 |
If you did it right, you will end up with this table:
| 1 | 17 | 23 | 37 | 391 | 629 | 851 | 8,317 | 14,467 | 141,389 | 191,291 | 307,729 | 3,251,947 | 5,231,393 | 7,077,767 | 120,322,039 |
| -1 | -17 | -23 | -37 | -391 | -629 | -851 | -8,317 | -14,467 | -141,389 | -191,291 | -307,729 | -3,251,947 | -5,231,393 | -7,077,767 | -120,322,039 |
Here are some more numbers to try:
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