A:
Positive:
1 x 565438555 x 1130877179 x 715745257 x 220015395 x 143149557 x 1015151285 x 440032785 x 20303
Negative:
-1 x -56543855-5 x -11308771-79 x -715745-257 x -220015-395 x -143149-557 x -101515-1285 x -44003-2785 x -20303
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 56,543,855, 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 | 56,543,855 | |
| -1 | -56,543,855 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 56,543,855.
Example:
1 x 56,543,855 = 56,543,855
and
-1 x -56,543,855 = 56,543,855
Notice both answers equal 56,543,855
With that explanation out of the way, let's continue. Next, we take the number 56,543,855 and divide it by 2:
56,543,855 ÷ 2 = 28,271,927.5
If the quotient is a whole number, then 2 and 28,271,927.5 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 | 56,543,855 | |
| -1 | -56,543,855 |
Now, we try dividing 56,543,855 by 3:
56,543,855 ÷ 3 = 18,847,951.6667
If the quotient is a whole number, then 3 and 18,847,951.6667 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 | 56,543,855 | |
| -1 | -56,543,855 |
Let's try dividing by 4:
56,543,855 ÷ 4 = 14,135,963.75
If the quotient is a whole number, then 4 and 14,135,963.75 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 | 56,543,855 | |
| -1 | 56,543,855 |
If you did it right, you will end up with this table:
| 1 | 5 | 79 | 257 | 395 | 557 | 1,285 | 2,785 | 20,303 | 44,003 | 101,515 | 143,149 | 220,015 | 715,745 | 11,308,771 | 56,543,855 |
| -1 | -5 | -79 | -257 | -395 | -557 | -1,285 | -2,785 | -20,303 | -44,003 | -101,515 | -143,149 | -220,015 | -715,745 | -11,308,771 | -56,543,855 |
Here are some more numbers to try:
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