A:
Positive:
1 x 25110055 x 5022017 x 35871535 x 7174337 x 6786549 x 51245185 x 13573245 x 10249259 x 9695277 x 90651295 x 19391385 x 1813
Negative:
-1 x -2511005-5 x -502201-7 x -358715-35 x -71743-37 x -67865-49 x -51245-185 x -13573-245 x -10249-259 x -9695-277 x -9065-1295 x -1939-1385 x -1813
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 2,511,005, 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 | 2,511,005 | |
| -1 | -2,511,005 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 2,511,005.
Example:
1 x 2,511,005 = 2,511,005
and
-1 x -2,511,005 = 2,511,005
Notice both answers equal 2,511,005
With that explanation out of the way, let's continue. Next, we take the number 2,511,005 and divide it by 2:
2,511,005 ÷ 2 = 1,255,502.5
If the quotient is a whole number, then 2 and 1,255,502.5 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 | 2,511,005 | |
| -1 | -2,511,005 |
Now, we try dividing 2,511,005 by 3:
2,511,005 ÷ 3 = 837,001.6667
If the quotient is a whole number, then 3 and 837,001.6667 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 | 2,511,005 | |
| -1 | -2,511,005 |
Let's try dividing by 4:
2,511,005 ÷ 4 = 627,751.25
If the quotient is a whole number, then 4 and 627,751.25 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 | 2,511,005 | |
| -1 | 2,511,005 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 35 | 37 | 49 | 185 | 245 | 259 | 277 | 1,295 | 1,385 | 1,813 | 1,939 | 9,065 | 9,695 | 10,249 | 13,573 | 51,245 | 67,865 | 71,743 | 358,715 | 502,201 | 2,511,005 |
| -1 | -5 | -7 | -35 | -37 | -49 | -185 | -245 | -259 | -277 | -1,295 | -1,385 | -1,813 | -1,939 | -9,065 | -9,695 | -10,249 | -13,573 | -51,245 | -67,865 | -71,743 | -358,715 | -502,201 | -2,511,005 |
Here are some more numbers to try:
Try the factor calculator