A:
Positive:
1 x 12300110317 x 723535983 x 1481941179 x 687157487 x 2525691411 x 871733043 x 404218279 x 14857
Negative:
-1 x -123001103-17 x -7235359-83 x -1481941-179 x -687157-487 x -252569-1411 x -87173-3043 x -40421-8279 x -14857
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 123,001,103, 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 | 123,001,103 | |
| -1 | -123,001,103 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 123,001,103.
Example:
1 x 123,001,103 = 123,001,103
and
-1 x -123,001,103 = 123,001,103
Notice both answers equal 123,001,103
With that explanation out of the way, let's continue. Next, we take the number 123,001,103 and divide it by 2:
123,001,103 ÷ 2 = 61,500,551.5
If the quotient is a whole number, then 2 and 61,500,551.5 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 | 123,001,103 | |
| -1 | -123,001,103 |
Now, we try dividing 123,001,103 by 3:
123,001,103 ÷ 3 = 41,000,367.6667
If the quotient is a whole number, then 3 and 41,000,367.6667 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 | 123,001,103 | |
| -1 | -123,001,103 |
Let's try dividing by 4:
123,001,103 ÷ 4 = 30,750,275.75
If the quotient is a whole number, then 4 and 30,750,275.75 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 | 123,001,103 | |
| -1 | 123,001,103 |
If you did it right, you will end up with this table:
| 1 | 17 | 83 | 179 | 487 | 1,411 | 3,043 | 8,279 | 14,857 | 40,421 | 87,173 | 252,569 | 687,157 | 1,481,941 | 7,235,359 | 123,001,103 |
| -1 | -17 | -83 | -179 | -487 | -1,411 | -3,043 | -8,279 | -14,857 | -40,421 | -87,173 | -252,569 | -687,157 | -1,481,941 | -7,235,359 | -123,001,103 |
Here are some more numbers to try:
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