A:
Positive:
1 x 13575742713 x 1044287917 x 7985731107 x 1268761221 x 6142871391 x 975971819 x 746335741 x 23647
Negative:
-1 x -135757427-13 x -10442879-17 x -7985731-107 x -1268761-221 x -614287-1391 x -97597-1819 x -74633-5741 x -23647
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 135,757,427, 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 | 135,757,427 | |
| -1 | -135,757,427 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 135,757,427.
Example:
1 x 135,757,427 = 135,757,427
and
-1 x -135,757,427 = 135,757,427
Notice both answers equal 135,757,427
With that explanation out of the way, let's continue. Next, we take the number 135,757,427 and divide it by 2:
135,757,427 ÷ 2 = 67,878,713.5
If the quotient is a whole number, then 2 and 67,878,713.5 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 | 135,757,427 | |
| -1 | -135,757,427 |
Now, we try dividing 135,757,427 by 3:
135,757,427 ÷ 3 = 45,252,475.6667
If the quotient is a whole number, then 3 and 45,252,475.6667 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 | 135,757,427 | |
| -1 | -135,757,427 |
Let's try dividing by 4:
135,757,427 ÷ 4 = 33,939,356.75
If the quotient is a whole number, then 4 and 33,939,356.75 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 | 135,757,427 | |
| -1 | 135,757,427 |
If you did it right, you will end up with this table:
| 1 | 13 | 17 | 107 | 221 | 1,391 | 1,819 | 5,741 | 23,647 | 74,633 | 97,597 | 614,287 | 1,268,761 | 7,985,731 | 10,442,879 | 135,757,427 |
| -1 | -13 | -17 | -107 | -221 | -1,391 | -1,819 | -5,741 | -23,647 | -74,633 | -97,597 | -614,287 | -1,268,761 | -7,985,731 | -10,442,879 | -135,757,427 |
Here are some more numbers to try:
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