A:
Positive:
1 x 78877076311 x 7170643323 x 34294381251 x 3142513253 x 31176712761 x 2856835773 x 13663112421 x 63503
Negative:
-1 x -788770763-11 x -71706433-23 x -34294381-251 x -3142513-253 x -3117671-2761 x -285683-5773 x -136631-12421 x -63503
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 788,770,763, 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 | 788,770,763 | |
| -1 | -788,770,763 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 788,770,763.
Example:
1 x 788,770,763 = 788,770,763
and
-1 x -788,770,763 = 788,770,763
Notice both answers equal 788,770,763
With that explanation out of the way, let's continue. Next, we take the number 788,770,763 and divide it by 2:
788,770,763 ÷ 2 = 394,385,381.5
If the quotient is a whole number, then 2 and 394,385,381.5 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 | 788,770,763 | |
| -1 | -788,770,763 |
Now, we try dividing 788,770,763 by 3:
788,770,763 ÷ 3 = 262,923,587.6667
If the quotient is a whole number, then 3 and 262,923,587.6667 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 | 788,770,763 | |
| -1 | -788,770,763 |
Let's try dividing by 4:
788,770,763 ÷ 4 = 197,192,690.75
If the quotient is a whole number, then 4 and 197,192,690.75 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 | 788,770,763 | |
| -1 | 788,770,763 |
If you did it right, you will end up with this table:
| 1 | 11 | 23 | 251 | 253 | 2,761 | 5,773 | 12,421 | 63,503 | 136,631 | 285,683 | 3,117,671 | 3,142,513 | 34,294,381 | 71,706,433 | 788,770,763 |
| -1 | -11 | -23 | -251 | -253 | -2,761 | -5,773 | -12,421 | -63,503 | -136,631 | -285,683 | -3,117,671 | -3,142,513 | -34,294,381 | -71,706,433 | -788,770,763 |
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