A:
Positive:
1 x 1184585717 x 1692265311 x 1076896137 x 320158377 x 1538423259 x 457369407 x 2910532849 x 41579
Negative:
-1 x -118458571-7 x -16922653-11 x -10768961-37 x -3201583-77 x -1538423-259 x -457369-407 x -291053-2849 x -41579
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 118,458,571, 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 | 118,458,571 | |
| -1 | -118,458,571 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 118,458,571.
Example:
1 x 118,458,571 = 118,458,571
and
-1 x -118,458,571 = 118,458,571
Notice both answers equal 118,458,571
With that explanation out of the way, let's continue. Next, we take the number 118,458,571 and divide it by 2:
118,458,571 ÷ 2 = 59,229,285.5
If the quotient is a whole number, then 2 and 59,229,285.5 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 | 118,458,571 | |
| -1 | -118,458,571 |
Now, we try dividing 118,458,571 by 3:
118,458,571 ÷ 3 = 39,486,190.3333
If the quotient is a whole number, then 3 and 39,486,190.3333 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 | 118,458,571 | |
| -1 | -118,458,571 |
Let's try dividing by 4:
118,458,571 ÷ 4 = 29,614,642.75
If the quotient is a whole number, then 4 and 29,614,642.75 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 | 118,458,571 | |
| -1 | 118,458,571 |
If you did it right, you will end up with this table:
| 1 | 7 | 11 | 37 | 77 | 259 | 407 | 2,849 | 41,579 | 291,053 | 457,369 | 1,538,423 | 3,201,583 | 10,768,961 | 16,922,653 | 118,458,571 |
| -1 | -7 | -11 | -37 | -77 | -259 | -407 | -2,849 | -41,579 | -291,053 | -457,369 | -1,538,423 | -3,201,583 | -10,768,961 | -16,922,653 | -118,458,571 |
Here are some more numbers to try:
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