A:
Positive:
1 x 401202113 x 30861719 x 21115937 x 108433247 x 16243439 x 9139481 x 8341703 x 5707
Negative:
-1 x -4012021-13 x -308617-19 x -211159-37 x -108433-247 x -16243-439 x -9139-481 x -8341-703 x -5707
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 4,012,021, 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 | 4,012,021 | |
| -1 | -4,012,021 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 4,012,021.
Example:
1 x 4,012,021 = 4,012,021
and
-1 x -4,012,021 = 4,012,021
Notice both answers equal 4,012,021
With that explanation out of the way, let's continue. Next, we take the number 4,012,021 and divide it by 2:
4,012,021 ÷ 2 = 2,006,010.5
If the quotient is a whole number, then 2 and 2,006,010.5 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 | 4,012,021 | |
| -1 | -4,012,021 |
Now, we try dividing 4,012,021 by 3:
4,012,021 ÷ 3 = 1,337,340.3333
If the quotient is a whole number, then 3 and 1,337,340.3333 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 | 4,012,021 | |
| -1 | -4,012,021 |
Let's try dividing by 4:
4,012,021 ÷ 4 = 1,003,005.25
If the quotient is a whole number, then 4 and 1,003,005.25 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 | 4,012,021 | |
| -1 | 4,012,021 |
If you did it right, you will end up with this table:
| 1 | 13 | 19 | 37 | 247 | 439 | 481 | 703 | 5,707 | 8,341 | 9,139 | 16,243 | 108,433 | 211,159 | 308,617 | 4,012,021 |
| -1 | -13 | -19 | -37 | -247 | -439 | -481 | -703 | -5,707 | -8,341 | -9,139 | -16,243 | -108,433 | -211,159 | -308,617 | -4,012,021 |
Here are some more numbers to try:
Try the factor calculator