A:
Positive:
1 x 21103255 x 4220657 x 30147525 x 8441331 x 6807535 x 60295155 x 13615175 x 12059217 x 9725389 x 5425775 x 27231085 x 1945
Negative:
-1 x -2110325-5 x -422065-7 x -301475-25 x -84413-31 x -68075-35 x -60295-155 x -13615-175 x -12059-217 x -9725-389 x -5425-775 x -2723-1085 x -1945
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 2,110,325, 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 | 2,110,325 | |
| -1 | -2,110,325 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 2,110,325.
Example:
1 x 2,110,325 = 2,110,325
and
-1 x -2,110,325 = 2,110,325
Notice both answers equal 2,110,325
With that explanation out of the way, let's continue. Next, we take the number 2,110,325 and divide it by 2:
2,110,325 ÷ 2 = 1,055,162.5
If the quotient is a whole number, then 2 and 1,055,162.5 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 | 2,110,325 | |
| -1 | -2,110,325 |
Now, we try dividing 2,110,325 by 3:
2,110,325 ÷ 3 = 703,441.6667
If the quotient is a whole number, then 3 and 703,441.6667 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 | 2,110,325 | |
| -1 | -2,110,325 |
Let's try dividing by 4:
2,110,325 ÷ 4 = 527,581.25
If the quotient is a whole number, then 4 and 527,581.25 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 | 2,110,325 | |
| -1 | 2,110,325 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 25 | 31 | 35 | 155 | 175 | 217 | 389 | 775 | 1,085 | 1,945 | 2,723 | 5,425 | 9,725 | 12,059 | 13,615 | 60,295 | 68,075 | 84,413 | 301,475 | 422,065 | 2,110,325 |
| -1 | -5 | -7 | -25 | -31 | -35 | -155 | -175 | -217 | -389 | -775 | -1,085 | -1,945 | -2,723 | -5,425 | -9,725 | -12,059 | -13,615 | -60,295 | -68,075 | -84,413 | -301,475 | -422,065 | -2,110,325 |
Here are some more numbers to try:
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