A:
Positive:
1 x 8097255 x 1619457 x 11567525 x 3238935 x 2313549 x 16525175 x 4627245 x 3305661 x 1225
Negative:
-1 x -809725-5 x -161945-7 x -115675-25 x -32389-35 x -23135-49 x -16525-175 x -4627-245 x -3305-661 x -1225
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 809,725, 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 | 809,725 | |
| -1 | -809,725 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 809,725.
Example:
1 x 809,725 = 809,725
and
-1 x -809,725 = 809,725
Notice both answers equal 809,725
With that explanation out of the way, let's continue. Next, we take the number 809,725 and divide it by 2:
809,725 ÷ 2 = 404,862.5
If the quotient is a whole number, then 2 and 404,862.5 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 | 809,725 | |
| -1 | -809,725 |
Now, we try dividing 809,725 by 3:
809,725 ÷ 3 = 269,908.3333
If the quotient is a whole number, then 3 and 269,908.3333 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 | 809,725 | |
| -1 | -809,725 |
Let's try dividing by 4:
809,725 ÷ 4 = 202,431.25
If the quotient is a whole number, then 4 and 202,431.25 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 | 809,725 | |
| -1 | 809,725 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 25 | 35 | 49 | 175 | 245 | 661 | 1,225 | 3,305 | 4,627 | 16,525 | 23,135 | 32,389 | 115,675 | 161,945 | 809,725 |
| -1 | -5 | -7 | -25 | -35 | -49 | -175 | -245 | -661 | -1,225 | -3,305 | -4,627 | -16,525 | -23,135 | -32,389 | -115,675 | -161,945 | -809,725 |
Here are some more numbers to try:
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