A:
Positive:
1 x 76531732773 x 10483799131 x 5842117191 x 4006897419 x 18265339563 x 8002913943 x 5488925021 x 30587
Negative:
-1 x -765317327-73 x -10483799-131 x -5842117-191 x -4006897-419 x -1826533-9563 x -80029-13943 x -54889-25021 x -30587
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 765,317,327, 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 | 765,317,327 | |
| -1 | -765,317,327 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 765,317,327.
Example:
1 x 765,317,327 = 765,317,327
and
-1 x -765,317,327 = 765,317,327
Notice both answers equal 765,317,327
With that explanation out of the way, let's continue. Next, we take the number 765,317,327 and divide it by 2:
765,317,327 ÷ 2 = 382,658,663.5
If the quotient is a whole number, then 2 and 382,658,663.5 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 | 765,317,327 | |
| -1 | -765,317,327 |
Now, we try dividing 765,317,327 by 3:
765,317,327 ÷ 3 = 255,105,775.6667
If the quotient is a whole number, then 3 and 255,105,775.6667 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 | 765,317,327 | |
| -1 | -765,317,327 |
Let's try dividing by 4:
765,317,327 ÷ 4 = 191,329,331.75
If the quotient is a whole number, then 4 and 191,329,331.75 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 | 765,317,327 | |
| -1 | 765,317,327 |
If you did it right, you will end up with this table:
| 1 | 73 | 131 | 191 | 419 | 9,563 | 13,943 | 25,021 | 30,587 | 54,889 | 80,029 | 1,826,533 | 4,006,897 | 5,842,117 | 10,483,799 | 765,317,327 |
| -1 | -73 | -131 | -191 | -419 | -9,563 | -13,943 | -25,021 | -30,587 | -54,889 | -80,029 | -1,826,533 | -4,006,897 | -5,842,117 | -10,483,799 | -765,317,327 |
Here are some more numbers to try:
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