A:
Positive:
1 x 3213210355 x 642642077 x 4590300535 x 91806012441 x 1316353761 x 8543512205 x 2632717087 x 18805
Negative:
-1 x -321321035-5 x -64264207-7 x -45903005-35 x -9180601-2441 x -131635-3761 x -85435-12205 x -26327-17087 x -18805
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 321,321,035, 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 | 321,321,035 | |
| -1 | -321,321,035 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 321,321,035.
Example:
1 x 321,321,035 = 321,321,035
and
-1 x -321,321,035 = 321,321,035
Notice both answers equal 321,321,035
With that explanation out of the way, let's continue. Next, we take the number 321,321,035 and divide it by 2:
321,321,035 ÷ 2 = 160,660,517.5
If the quotient is a whole number, then 2 and 160,660,517.5 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 | 321,321,035 | |
| -1 | -321,321,035 |
Now, we try dividing 321,321,035 by 3:
321,321,035 ÷ 3 = 107,107,011.6667
If the quotient is a whole number, then 3 and 107,107,011.6667 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 | 321,321,035 | |
| -1 | -321,321,035 |
Let's try dividing by 4:
321,321,035 ÷ 4 = 80,330,258.75
If the quotient is a whole number, then 4 and 80,330,258.75 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 | 321,321,035 | |
| -1 | 321,321,035 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 35 | 2,441 | 3,761 | 12,205 | 17,087 | 18,805 | 26,327 | 85,435 | 131,635 | 9,180,601 | 45,903,005 | 64,264,207 | 321,321,035 |
| -1 | -5 | -7 | -35 | -2,441 | -3,761 | -12,205 | -17,087 | -18,805 | -26,327 | -85,435 | -131,635 | -9,180,601 | -45,903,005 | -64,264,207 | -321,321,035 |
Here are some more numbers to try:
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