A:
Positive:
1 x 7657527717 x 10939325383 x 9225937131 x 5845441581 x 1317991917 x 83506310061 x 7611110873 x 70427
Negative:
-1 x -765752771-7 x -109393253-83 x -9225937-131 x -5845441-581 x -1317991-917 x -835063-10061 x -76111-10873 x -70427
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 765,752,771, 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 | 765,752,771 | |
| -1 | -765,752,771 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 765,752,771.
Example:
1 x 765,752,771 = 765,752,771
and
-1 x -765,752,771 = 765,752,771
Notice both answers equal 765,752,771
With that explanation out of the way, let's continue. Next, we take the number 765,752,771 and divide it by 2:
765,752,771 ÷ 2 = 382,876,385.5
If the quotient is a whole number, then 2 and 382,876,385.5 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 | 765,752,771 | |
| -1 | -765,752,771 |
Now, we try dividing 765,752,771 by 3:
765,752,771 ÷ 3 = 255,250,923.6667
If the quotient is a whole number, then 3 and 255,250,923.6667 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 | 765,752,771 | |
| -1 | -765,752,771 |
Let's try dividing by 4:
765,752,771 ÷ 4 = 191,438,192.75
If the quotient is a whole number, then 4 and 191,438,192.75 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 | 765,752,771 | |
| -1 | 765,752,771 |
If you did it right, you will end up with this table:
| 1 | 7 | 83 | 131 | 581 | 917 | 10,061 | 10,873 | 70,427 | 76,111 | 835,063 | 1,317,991 | 5,845,441 | 9,225,937 | 109,393,253 | 765,752,771 |
| -1 | -7 | -83 | -131 | -581 | -917 | -10,061 | -10,873 | -70,427 | -76,111 | -835,063 | -1,317,991 | -5,845,441 | -9,225,937 | -109,393,253 | -765,752,771 |
Here are some more numbers to try:
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