A:
Positive:
1 x 505602117 x 29741323 x 21982767 x 75463193 x 26197391 x 129311139 x 44391541 x 3281
Negative:
-1 x -5056021-17 x -297413-23 x -219827-67 x -75463-193 x -26197-391 x -12931-1139 x -4439-1541 x -3281
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 5,056,021, 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 | 5,056,021 | |
| -1 | -5,056,021 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 5,056,021.
Example:
1 x 5,056,021 = 5,056,021
and
-1 x -5,056,021 = 5,056,021
Notice both answers equal 5,056,021
With that explanation out of the way, let's continue. Next, we take the number 5,056,021 and divide it by 2:
5,056,021 ÷ 2 = 2,528,010.5
If the quotient is a whole number, then 2 and 2,528,010.5 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 | 5,056,021 | |
| -1 | -5,056,021 |
Now, we try dividing 5,056,021 by 3:
5,056,021 ÷ 3 = 1,685,340.3333
If the quotient is a whole number, then 3 and 1,685,340.3333 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 | 5,056,021 | |
| -1 | -5,056,021 |
Let's try dividing by 4:
5,056,021 ÷ 4 = 1,264,005.25
If the quotient is a whole number, then 4 and 1,264,005.25 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 | 5,056,021 | |
| -1 | 5,056,021 |
If you did it right, you will end up with this table:
| 1 | 17 | 23 | 67 | 193 | 391 | 1,139 | 1,541 | 3,281 | 4,439 | 12,931 | 26,197 | 75,463 | 219,827 | 297,413 | 5,056,021 |
| -1 | -17 | -23 | -67 | -193 | -391 | -1,139 | -1,541 | -3,281 | -4,439 | -12,931 | -26,197 | -75,463 | -219,827 | -297,413 | -5,056,021 |
Here are some more numbers to try:
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