A:
Positive:
1 x 53151880111 x 4831989137 x 14365373407 x 1305943853 x 6231171531 x 3471719383 x 5664716841 x 31561
Negative:
-1 x -531518801-11 x -48319891-37 x -14365373-407 x -1305943-853 x -623117-1531 x -347171-9383 x -56647-16841 x -31561
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 531,518,801, 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 | 531,518,801 | |
| -1 | -531,518,801 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 531,518,801.
Example:
1 x 531,518,801 = 531,518,801
and
-1 x -531,518,801 = 531,518,801
Notice both answers equal 531,518,801
With that explanation out of the way, let's continue. Next, we take the number 531,518,801 and divide it by 2:
531,518,801 ÷ 2 = 265,759,400.5
If the quotient is a whole number, then 2 and 265,759,400.5 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 | 531,518,801 | |
| -1 | -531,518,801 |
Now, we try dividing 531,518,801 by 3:
531,518,801 ÷ 3 = 177,172,933.6667
If the quotient is a whole number, then 3 and 177,172,933.6667 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 | 531,518,801 | |
| -1 | -531,518,801 |
Let's try dividing by 4:
531,518,801 ÷ 4 = 132,879,700.25
If the quotient is a whole number, then 4 and 132,879,700.25 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 | 531,518,801 | |
| -1 | 531,518,801 |
If you did it right, you will end up with this table:
| 1 | 11 | 37 | 407 | 853 | 1,531 | 9,383 | 16,841 | 31,561 | 56,647 | 347,171 | 623,117 | 1,305,943 | 14,365,373 | 48,319,891 | 531,518,801 |
| -1 | -11 | -37 | -407 | -853 | -1,531 | -9,383 | -16,841 | -31,561 | -56,647 | -347,171 | -623,117 | -1,305,943 | -14,365,373 | -48,319,891 | -531,518,801 |
Here are some more numbers to try:
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