A:
Positive:
1 x 3214553655 x 642910737 x 4592219511 x 2922321535 x 918443955 x 584464377 x 4174745385 x 834949
Negative:
-1 x -321455365-5 x -64291073-7 x -45922195-11 x -29223215-35 x -9184439-55 x -5844643-77 x -4174745-385 x -834949
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 321,455,365, 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 | 321,455,365 | |
| -1 | -321,455,365 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 321,455,365.
Example:
1 x 321,455,365 = 321,455,365
and
-1 x -321,455,365 = 321,455,365
Notice both answers equal 321,455,365
With that explanation out of the way, let's continue. Next, we take the number 321,455,365 and divide it by 2:
321,455,365 ÷ 2 = 160,727,682.5
If the quotient is a whole number, then 2 and 160,727,682.5 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 | 321,455,365 | |
| -1 | -321,455,365 |
Now, we try dividing 321,455,365 by 3:
321,455,365 ÷ 3 = 107,151,788.3333
If the quotient is a whole number, then 3 and 107,151,788.3333 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 | 321,455,365 | |
| -1 | -321,455,365 |
Let's try dividing by 4:
321,455,365 ÷ 4 = 80,363,841.25
If the quotient is a whole number, then 4 and 80,363,841.25 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 | 321,455,365 | |
| -1 | 321,455,365 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 11 | 35 | 55 | 77 | 385 | 834,949 | 4,174,745 | 5,844,643 | 9,184,439 | 29,223,215 | 45,922,195 | 64,291,073 | 321,455,365 |
| -1 | -5 | -7 | -11 | -35 | -55 | -77 | -385 | -834,949 | -4,174,745 | -5,844,643 | -9,184,439 | -29,223,215 | -45,922,195 | -64,291,073 | -321,455,365 |
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