A:
Positive:
1 x 1342431355 x 2684862713 x 1032639517 x 789665565 x 206527985 x 1579331221 x 6074351105 x 121487
Negative:
-1 x -134243135-5 x -26848627-13 x -10326395-17 x -7896655-65 x -2065279-85 x -1579331-221 x -607435-1105 x -121487
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 134,243,135, 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 | 134,243,135 | |
| -1 | -134,243,135 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 134,243,135.
Example:
1 x 134,243,135 = 134,243,135
and
-1 x -134,243,135 = 134,243,135
Notice both answers equal 134,243,135
With that explanation out of the way, let's continue. Next, we take the number 134,243,135 and divide it by 2:
134,243,135 ÷ 2 = 67,121,567.5
If the quotient is a whole number, then 2 and 67,121,567.5 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 | 134,243,135 | |
| -1 | -134,243,135 |
Now, we try dividing 134,243,135 by 3:
134,243,135 ÷ 3 = 44,747,711.6667
If the quotient is a whole number, then 3 and 44,747,711.6667 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 | 134,243,135 | |
| -1 | -134,243,135 |
Let's try dividing by 4:
134,243,135 ÷ 4 = 33,560,783.75
If the quotient is a whole number, then 4 and 33,560,783.75 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 | 134,243,135 | |
| -1 | 134,243,135 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 17 | 65 | 85 | 221 | 1,105 | 121,487 | 607,435 | 1,579,331 | 2,065,279 | 7,896,655 | 10,326,395 | 26,848,627 | 134,243,135 |
| -1 | -5 | -13 | -17 | -65 | -85 | -221 | -1,105 | -121,487 | -607,435 | -1,579,331 | -2,065,279 | -7,896,655 | -10,326,395 | -26,848,627 | -134,243,135 |
Here are some more numbers to try:
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