A:
Positive:
1 x 1357162737 x 1938803911 x 1233784341 x 331015377 x 1762549287 x 472879451 x 3009233157 x 42989
Negative:
-1 x -135716273-7 x -19388039-11 x -12337843-41 x -3310153-77 x -1762549-287 x -472879-451 x -300923-3157 x -42989
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 135,716,273, 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 | 135,716,273 | |
| -1 | -135,716,273 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 135,716,273.
Example:
1 x 135,716,273 = 135,716,273
and
-1 x -135,716,273 = 135,716,273
Notice both answers equal 135,716,273
With that explanation out of the way, let's continue. Next, we take the number 135,716,273 and divide it by 2:
135,716,273 ÷ 2 = 67,858,136.5
If the quotient is a whole number, then 2 and 67,858,136.5 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 | 135,716,273 | |
| -1 | -135,716,273 |
Now, we try dividing 135,716,273 by 3:
135,716,273 ÷ 3 = 45,238,757.6667
If the quotient is a whole number, then 3 and 45,238,757.6667 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 | 135,716,273 | |
| -1 | -135,716,273 |
Let's try dividing by 4:
135,716,273 ÷ 4 = 33,929,068.25
If the quotient is a whole number, then 4 and 33,929,068.25 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 | 135,716,273 | |
| -1 | 135,716,273 |
If you did it right, you will end up with this table:
| 1 | 7 | 11 | 41 | 77 | 287 | 451 | 3,157 | 42,989 | 300,923 | 472,879 | 1,762,549 | 3,310,153 | 12,337,843 | 19,388,039 | 135,716,273 |
| -1 | -7 | -11 | -41 | -77 | -287 | -451 | -3,157 | -42,989 | -300,923 | -472,879 | -1,762,549 | -3,310,153 | -12,337,843 | -19,388,039 | -135,716,273 |
Here are some more numbers to try:
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