A:
Positive:
1 x 1234428955 x 2468857943 x 2870765113 x 1092415215 x 574153565 x 2184834859 x 254055081 x 24295
Negative:
-1 x -123442895-5 x -24688579-43 x -2870765-113 x -1092415-215 x -574153-565 x -218483-4859 x -25405-5081 x -24295
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 123,442,895, 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 | 123,442,895 | |
| -1 | -123,442,895 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 123,442,895.
Example:
1 x 123,442,895 = 123,442,895
and
-1 x -123,442,895 = 123,442,895
Notice both answers equal 123,442,895
With that explanation out of the way, let's continue. Next, we take the number 123,442,895 and divide it by 2:
123,442,895 ÷ 2 = 61,721,447.5
If the quotient is a whole number, then 2 and 61,721,447.5 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 | 123,442,895 | |
| -1 | -123,442,895 |
Now, we try dividing 123,442,895 by 3:
123,442,895 ÷ 3 = 41,147,631.6667
If the quotient is a whole number, then 3 and 41,147,631.6667 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 | 123,442,895 | |
| -1 | -123,442,895 |
Let's try dividing by 4:
123,442,895 ÷ 4 = 30,860,723.75
If the quotient is a whole number, then 4 and 30,860,723.75 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 | 123,442,895 | |
| -1 | 123,442,895 |
If you did it right, you will end up with this table:
| 1 | 5 | 43 | 113 | 215 | 565 | 4,859 | 5,081 | 24,295 | 25,405 | 218,483 | 574,153 | 1,092,415 | 2,870,765 | 24,688,579 | 123,442,895 |
| -1 | -5 | -43 | -113 | -215 | -565 | -4,859 | -5,081 | -24,295 | -25,405 | -218,483 | -574,153 | -1,092,415 | -2,870,765 | -24,688,579 | -123,442,895 |
Here are some more numbers to try:
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