A:
Positive:
1 x 3243005055 x 6486010183 x 3907235415 x 781447881 x 368105887 x 3656154405 x 736214435 x 73123
Negative:
-1 x -324300505-5 x -64860101-83 x -3907235-415 x -781447-881 x -368105-887 x -365615-4405 x -73621-4435 x -73123
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 324,300,505, 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 | 324,300,505 | |
| -1 | -324,300,505 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 324,300,505.
Example:
1 x 324,300,505 = 324,300,505
and
-1 x -324,300,505 = 324,300,505
Notice both answers equal 324,300,505
With that explanation out of the way, let's continue. Next, we take the number 324,300,505 and divide it by 2:
324,300,505 ÷ 2 = 162,150,252.5
If the quotient is a whole number, then 2 and 162,150,252.5 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 | 324,300,505 | |
| -1 | -324,300,505 |
Now, we try dividing 324,300,505 by 3:
324,300,505 ÷ 3 = 108,100,168.3333
If the quotient is a whole number, then 3 and 108,100,168.3333 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 | 324,300,505 | |
| -1 | -324,300,505 |
Let's try dividing by 4:
324,300,505 ÷ 4 = 81,075,126.25
If the quotient is a whole number, then 4 and 81,075,126.25 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 | 324,300,505 | |
| -1 | 324,300,505 |
If you did it right, you will end up with this table:
| 1 | 5 | 83 | 415 | 881 | 887 | 4,405 | 4,435 | 73,123 | 73,621 | 365,615 | 368,105 | 781,447 | 3,907,235 | 64,860,101 | 324,300,505 |
| -1 | -5 | -83 | -415 | -881 | -887 | -4,405 | -4,435 | -73,123 | -73,621 | -365,615 | -368,105 | -781,447 | -3,907,235 | -64,860,101 | -324,300,505 |
Here are some more numbers to try:
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