A:
Positive:
1 x 31986355 x 63972711 x 29078517 x 18815555 x 5815785 x 37631121 x 26435187 x 17105311 x 10285605 x 5287935 x 34211555 x 2057
Negative:
-1 x -3198635-5 x -639727-11 x -290785-17 x -188155-55 x -58157-85 x -37631-121 x -26435-187 x -17105-311 x -10285-605 x -5287-935 x -3421-1555 x -2057
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 3,198,635, 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 | 3,198,635 | |
| -1 | -3,198,635 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 3,198,635.
Example:
1 x 3,198,635 = 3,198,635
and
-1 x -3,198,635 = 3,198,635
Notice both answers equal 3,198,635
With that explanation out of the way, let's continue. Next, we take the number 3,198,635 and divide it by 2:
3,198,635 ÷ 2 = 1,599,317.5
If the quotient is a whole number, then 2 and 1,599,317.5 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 | 3,198,635 | |
| -1 | -3,198,635 |
Now, we try dividing 3,198,635 by 3:
3,198,635 ÷ 3 = 1,066,211.6667
If the quotient is a whole number, then 3 and 1,066,211.6667 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 | 3,198,635 | |
| -1 | -3,198,635 |
Let's try dividing by 4:
3,198,635 ÷ 4 = 799,658.75
If the quotient is a whole number, then 4 and 799,658.75 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 | 3,198,635 | |
| -1 | 3,198,635 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 17 | 55 | 85 | 121 | 187 | 311 | 605 | 935 | 1,555 | 2,057 | 3,421 | 5,287 | 10,285 | 17,105 | 26,435 | 37,631 | 58,157 | 188,155 | 290,785 | 639,727 | 3,198,635 |
| -1 | -5 | -11 | -17 | -55 | -85 | -121 | -187 | -311 | -605 | -935 | -1,555 | -2,057 | -3,421 | -5,287 | -10,285 | -17,105 | -26,435 | -37,631 | -58,157 | -188,155 | -290,785 | -639,727 | -3,198,635 |
Here are some more numbers to try:
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