A:
Positive:
1 x 31988755 x 63977525 x 127955125 x 25591157 x 20375163 x 19625785 x 4075815 x 3925
Negative:
-1 x -3198875-5 x -639775-25 x -127955-125 x -25591-157 x -20375-163 x -19625-785 x -4075-815 x -3925
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 3,198,875, 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 | 3,198,875 | |
| -1 | -3,198,875 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 3,198,875.
Example:
1 x 3,198,875 = 3,198,875
and
-1 x -3,198,875 = 3,198,875
Notice both answers equal 3,198,875
With that explanation out of the way, let's continue. Next, we take the number 3,198,875 and divide it by 2:
3,198,875 ÷ 2 = 1,599,437.5
If the quotient is a whole number, then 2 and 1,599,437.5 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 | 3,198,875 | |
| -1 | -3,198,875 |
Now, we try dividing 3,198,875 by 3:
3,198,875 ÷ 3 = 1,066,291.6667
If the quotient is a whole number, then 3 and 1,066,291.6667 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 | 3,198,875 | |
| -1 | -3,198,875 |
Let's try dividing by 4:
3,198,875 ÷ 4 = 799,718.75
If the quotient is a whole number, then 4 and 799,718.75 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 | 3,198,875 | |
| -1 | 3,198,875 |
If you did it right, you will end up with this table:
| 1 | 5 | 25 | 125 | 157 | 163 | 785 | 815 | 3,925 | 4,075 | 19,625 | 20,375 | 25,591 | 127,955 | 639,775 | 3,198,875 |
| -1 | -5 | -25 | -125 | -157 | -163 | -785 | -815 | -3,925 | -4,075 | -19,625 | -20,375 | -25,591 | -127,955 | -639,775 | -3,198,875 |
Here are some more numbers to try:
Try the factor calculator