A:
Positive:
1 x 7183020555 x 143660411173 x 4152035823 x 872785865 x 8304071009 x 7118954115 x 1745575045 x 142379
Negative:
-1 x -718302055-5 x -143660411-173 x -4152035-823 x -872785-865 x -830407-1009 x -711895-4115 x -174557-5045 x -142379
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 718,302,055, 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 | 718,302,055 | |
| -1 | -718,302,055 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 718,302,055.
Example:
1 x 718,302,055 = 718,302,055
and
-1 x -718,302,055 = 718,302,055
Notice both answers equal 718,302,055
With that explanation out of the way, let's continue. Next, we take the number 718,302,055 and divide it by 2:
718,302,055 ÷ 2 = 359,151,027.5
If the quotient is a whole number, then 2 and 359,151,027.5 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 | 718,302,055 | |
| -1 | -718,302,055 |
Now, we try dividing 718,302,055 by 3:
718,302,055 ÷ 3 = 239,434,018.3333
If the quotient is a whole number, then 3 and 239,434,018.3333 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 | 718,302,055 | |
| -1 | -718,302,055 |
Let's try dividing by 4:
718,302,055 ÷ 4 = 179,575,513.75
If the quotient is a whole number, then 4 and 179,575,513.75 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 | 718,302,055 | |
| -1 | 718,302,055 |
If you did it right, you will end up with this table:
| 1 | 5 | 173 | 823 | 865 | 1,009 | 4,115 | 5,045 | 142,379 | 174,557 | 711,895 | 830,407 | 872,785 | 4,152,035 | 143,660,411 | 718,302,055 |
| -1 | -5 | -173 | -823 | -865 | -1,009 | -4,115 | -5,045 | -142,379 | -174,557 | -711,895 | -830,407 | -872,785 | -4,152,035 | -143,660,411 | -718,302,055 |
Here are some more numbers to try:
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