A:
Positive:
1 x 5166636355 x 103332727173 x 2986495457 x 1130555865 x 5972991307 x 3953052285 x 2261116535 x 79061
Negative:
-1 x -516663635-5 x -103332727-173 x -2986495-457 x -1130555-865 x -597299-1307 x -395305-2285 x -226111-6535 x -79061
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 516,663,635, 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 | 516,663,635 | |
| -1 | -516,663,635 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 516,663,635.
Example:
1 x 516,663,635 = 516,663,635
and
-1 x -516,663,635 = 516,663,635
Notice both answers equal 516,663,635
With that explanation out of the way, let's continue. Next, we take the number 516,663,635 and divide it by 2:
516,663,635 ÷ 2 = 258,331,817.5
If the quotient is a whole number, then 2 and 258,331,817.5 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 | 516,663,635 | |
| -1 | -516,663,635 |
Now, we try dividing 516,663,635 by 3:
516,663,635 ÷ 3 = 172,221,211.6667
If the quotient is a whole number, then 3 and 172,221,211.6667 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 | 516,663,635 | |
| -1 | -516,663,635 |
Let's try dividing by 4:
516,663,635 ÷ 4 = 129,165,908.75
If the quotient is a whole number, then 4 and 129,165,908.75 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 | 516,663,635 | |
| -1 | 516,663,635 |
If you did it right, you will end up with this table:
| 1 | 5 | 173 | 457 | 865 | 1,307 | 2,285 | 6,535 | 79,061 | 226,111 | 395,305 | 597,299 | 1,130,555 | 2,986,495 | 103,332,727 | 516,663,635 |
| -1 | -5 | -173 | -457 | -865 | -1,307 | -2,285 | -6,535 | -79,061 | -226,111 | -395,305 | -597,299 | -1,130,555 | -2,986,495 | -103,332,727 | -516,663,635 |
Here are some more numbers to try:
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