A:
Positive:
1 x 10510342711 x 955485713 x 808487961 x 1723007143 x 734989671 x 156637793 x 1325398723 x 12049
Negative:
-1 x -105103427-11 x -9554857-13 x -8084879-61 x -1723007-143 x -734989-671 x -156637-793 x -132539-8723 x -12049
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 105,103,427, 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 | 105,103,427 | |
| -1 | -105,103,427 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 105,103,427.
Example:
1 x 105,103,427 = 105,103,427
and
-1 x -105,103,427 = 105,103,427
Notice both answers equal 105,103,427
With that explanation out of the way, let's continue. Next, we take the number 105,103,427 and divide it by 2:
105,103,427 ÷ 2 = 52,551,713.5
If the quotient is a whole number, then 2 and 52,551,713.5 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 | 105,103,427 | |
| -1 | -105,103,427 |
Now, we try dividing 105,103,427 by 3:
105,103,427 ÷ 3 = 35,034,475.6667
If the quotient is a whole number, then 3 and 35,034,475.6667 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 | 105,103,427 | |
| -1 | -105,103,427 |
Let's try dividing by 4:
105,103,427 ÷ 4 = 26,275,856.75
If the quotient is a whole number, then 4 and 26,275,856.75 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 | 105,103,427 | |
| -1 | 105,103,427 |
If you did it right, you will end up with this table:
| 1 | 11 | 13 | 61 | 143 | 671 | 793 | 8,723 | 12,049 | 132,539 | 156,637 | 734,989 | 1,723,007 | 8,084,879 | 9,554,857 | 105,103,427 |
| -1 | -11 | -13 | -61 | -143 | -671 | -793 | -8,723 | -12,049 | -132,539 | -156,637 | -734,989 | -1,723,007 | -8,084,879 | -9,554,857 | -105,103,427 |
Here are some more numbers to try:
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