A:
Positive:
1 x 6642354555 x 13284709113 x 5109503565 x 102190071489 x 4460956863 x 967857445 x 8921919357 x 34315
Negative:
-1 x -664235455-5 x -132847091-13 x -51095035-65 x -10219007-1489 x -446095-6863 x -96785-7445 x -89219-19357 x -34315
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 664,235,455, 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 | 664,235,455 | |
| -1 | -664,235,455 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 664,235,455.
Example:
1 x 664,235,455 = 664,235,455
and
-1 x -664,235,455 = 664,235,455
Notice both answers equal 664,235,455
With that explanation out of the way, let's continue. Next, we take the number 664,235,455 and divide it by 2:
664,235,455 ÷ 2 = 332,117,727.5
If the quotient is a whole number, then 2 and 332,117,727.5 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 | 664,235,455 | |
| -1 | -664,235,455 |
Now, we try dividing 664,235,455 by 3:
664,235,455 ÷ 3 = 221,411,818.3333
If the quotient is a whole number, then 3 and 221,411,818.3333 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 | 664,235,455 | |
| -1 | -664,235,455 |
Let's try dividing by 4:
664,235,455 ÷ 4 = 166,058,863.75
If the quotient is a whole number, then 4 and 166,058,863.75 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 | 664,235,455 | |
| -1 | 664,235,455 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 65 | 1,489 | 6,863 | 7,445 | 19,357 | 34,315 | 89,219 | 96,785 | 446,095 | 10,219,007 | 51,095,035 | 132,847,091 | 664,235,455 |
| -1 | -5 | -13 | -65 | -1,489 | -6,863 | -7,445 | -19,357 | -34,315 | -89,219 | -96,785 | -446,095 | -10,219,007 | -51,095,035 | -132,847,091 | -664,235,455 |
Here are some more numbers to try:
Try the factor calculator