A:
Positive:
1 x 1355701555 x 271140317 x 1936716517 x 797471535 x 387343385 x 1594943119 x 1139245595 x 227849
Negative:
-1 x -135570155-5 x -27114031-7 x -19367165-17 x -7974715-35 x -3873433-85 x -1594943-119 x -1139245-595 x -227849
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 135,570,155, 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 | 135,570,155 | |
| -1 | -135,570,155 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 135,570,155.
Example:
1 x 135,570,155 = 135,570,155
and
-1 x -135,570,155 = 135,570,155
Notice both answers equal 135,570,155
With that explanation out of the way, let's continue. Next, we take the number 135,570,155 and divide it by 2:
135,570,155 ÷ 2 = 67,785,077.5
If the quotient is a whole number, then 2 and 67,785,077.5 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 | 135,570,155 | |
| -1 | -135,570,155 |
Now, we try dividing 135,570,155 by 3:
135,570,155 ÷ 3 = 45,190,051.6667
If the quotient is a whole number, then 3 and 45,190,051.6667 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 | 135,570,155 | |
| -1 | -135,570,155 |
Let's try dividing by 4:
135,570,155 ÷ 4 = 33,892,538.75
If the quotient is a whole number, then 4 and 33,892,538.75 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 | 135,570,155 | |
| -1 | 135,570,155 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 17 | 35 | 85 | 119 | 595 | 227,849 | 1,139,245 | 1,594,943 | 3,873,433 | 7,974,715 | 19,367,165 | 27,114,031 | 135,570,155 |
| -1 | -5 | -7 | -17 | -35 | -85 | -119 | -595 | -227,849 | -1,139,245 | -1,594,943 | -3,873,433 | -7,974,715 | -19,367,165 | -27,114,031 | -135,570,155 |
Here are some more numbers to try:
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