A:
Positive:
1 x 38439855 x 76879719 x 20231543 x 8939595 x 40463215 x 17879817 x 4705941 x 4085
Negative:
-1 x -3843985-5 x -768797-19 x -202315-43 x -89395-95 x -40463-215 x -17879-817 x -4705-941 x -4085
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 3,843,985, 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 | 3,843,985 | |
| -1 | -3,843,985 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 3,843,985.
Example:
1 x 3,843,985 = 3,843,985
and
-1 x -3,843,985 = 3,843,985
Notice both answers equal 3,843,985
With that explanation out of the way, let's continue. Next, we take the number 3,843,985 and divide it by 2:
3,843,985 ÷ 2 = 1,921,992.5
If the quotient is a whole number, then 2 and 1,921,992.5 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 | 3,843,985 | |
| -1 | -3,843,985 |
Now, we try dividing 3,843,985 by 3:
3,843,985 ÷ 3 = 1,281,328.3333
If the quotient is a whole number, then 3 and 1,281,328.3333 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 | 3,843,985 | |
| -1 | -3,843,985 |
Let's try dividing by 4:
3,843,985 ÷ 4 = 960,996.25
If the quotient is a whole number, then 4 and 960,996.25 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 | 3,843,985 | |
| -1 | 3,843,985 |
If you did it right, you will end up with this table:
| 1 | 5 | 19 | 43 | 95 | 215 | 817 | 941 | 4,085 | 4,705 | 17,879 | 40,463 | 89,395 | 202,315 | 768,797 | 3,843,985 |
| -1 | -5 | -19 | -43 | -95 | -215 | -817 | -941 | -4,085 | -4,705 | -17,879 | -40,463 | -89,395 | -202,315 | -768,797 | -3,843,985 |
Here are some more numbers to try:
Try the factor calculator