A:
Positive:
1 x 5181227597 x 7401753711 x 4710206977 x 6728867811 x 6388695677 x 912678297 x 624478921 x 58079
Negative:
-1 x -518122759-7 x -74017537-11 x -47102069-77 x -6728867-811 x -638869-5677 x -91267-8297 x -62447-8921 x -58079
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 518,122,759, 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 | 518,122,759 | |
| -1 | -518,122,759 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 518,122,759.
Example:
1 x 518,122,759 = 518,122,759
and
-1 x -518,122,759 = 518,122,759
Notice both answers equal 518,122,759
With that explanation out of the way, let's continue. Next, we take the number 518,122,759 and divide it by 2:
518,122,759 ÷ 2 = 259,061,379.5
If the quotient is a whole number, then 2 and 259,061,379.5 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 | 518,122,759 | |
| -1 | -518,122,759 |
Now, we try dividing 518,122,759 by 3:
518,122,759 ÷ 3 = 172,707,586.3333
If the quotient is a whole number, then 3 and 172,707,586.3333 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 | 518,122,759 | |
| -1 | -518,122,759 |
Let's try dividing by 4:
518,122,759 ÷ 4 = 129,530,689.75
If the quotient is a whole number, then 4 and 129,530,689.75 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 | 518,122,759 | |
| -1 | 518,122,759 |
If you did it right, you will end up with this table:
| 1 | 7 | 11 | 77 | 811 | 5,677 | 8,297 | 8,921 | 58,079 | 62,447 | 91,267 | 638,869 | 6,728,867 | 47,102,069 | 74,017,537 | 518,122,759 |
| -1 | -7 | -11 | -77 | -811 | -5,677 | -8,297 | -8,921 | -58,079 | -62,447 | -91,267 | -638,869 | -6,728,867 | -47,102,069 | -74,017,537 | -518,122,759 |
Here are some more numbers to try:
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