A:
Positive:
1 x 12046543311 x 1095140359 x 2041787419 x 287507443 x 271931649 x 1856174609 x 261374873 x 24721
Negative:
-1 x -120465433-11 x -10951403-59 x -2041787-419 x -287507-443 x -271931-649 x -185617-4609 x -26137-4873 x -24721
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 120,465,433, 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 | 120,465,433 | |
| -1 | -120,465,433 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 120,465,433.
Example:
1 x 120,465,433 = 120,465,433
and
-1 x -120,465,433 = 120,465,433
Notice both answers equal 120,465,433
With that explanation out of the way, let's continue. Next, we take the number 120,465,433 and divide it by 2:
120,465,433 ÷ 2 = 60,232,716.5
If the quotient is a whole number, then 2 and 60,232,716.5 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 | 120,465,433 | |
| -1 | -120,465,433 |
Now, we try dividing 120,465,433 by 3:
120,465,433 ÷ 3 = 40,155,144.3333
If the quotient is a whole number, then 3 and 40,155,144.3333 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 | 120,465,433 | |
| -1 | -120,465,433 |
Let's try dividing by 4:
120,465,433 ÷ 4 = 30,116,358.25
If the quotient is a whole number, then 4 and 30,116,358.25 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 | 120,465,433 | |
| -1 | 120,465,433 |
If you did it right, you will end up with this table:
| 1 | 11 | 59 | 419 | 443 | 649 | 4,609 | 4,873 | 24,721 | 26,137 | 185,617 | 271,931 | 287,507 | 2,041,787 | 10,951,403 | 120,465,433 |
| -1 | -11 | -59 | -419 | -443 | -649 | -4,609 | -4,873 | -24,721 | -26,137 | -185,617 | -271,931 | -287,507 | -2,041,787 | -10,951,403 | -120,465,433 |
Here are some more numbers to try:
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