A:
Positive:
1 x 8127255 x 16254519 x 4277525 x 3250929 x 2802559 x 1377595 x 8555145 x 5605295 x 2755475 x 1711551 x 1475725 x 1121
Negative:
-1 x -812725-5 x -162545-19 x -42775-25 x -32509-29 x -28025-59 x -13775-95 x -8555-145 x -5605-295 x -2755-475 x -1711-551 x -1475-725 x -1121
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 812,725, 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 | 812,725 | |
| -1 | -812,725 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 812,725.
Example:
1 x 812,725 = 812,725
and
-1 x -812,725 = 812,725
Notice both answers equal 812,725
With that explanation out of the way, let's continue. Next, we take the number 812,725 and divide it by 2:
812,725 ÷ 2 = 406,362.5
If the quotient is a whole number, then 2 and 406,362.5 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 | 812,725 | |
| -1 | -812,725 |
Now, we try dividing 812,725 by 3:
812,725 ÷ 3 = 270,908.3333
If the quotient is a whole number, then 3 and 270,908.3333 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 | 812,725 | |
| -1 | -812,725 |
Let's try dividing by 4:
812,725 ÷ 4 = 203,181.25
If the quotient is a whole number, then 4 and 203,181.25 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 | 812,725 | |
| -1 | 812,725 |
If you did it right, you will end up with this table:
| 1 | 5 | 19 | 25 | 29 | 59 | 95 | 145 | 295 | 475 | 551 | 725 | 1,121 | 1,475 | 1,711 | 2,755 | 5,605 | 8,555 | 13,775 | 28,025 | 32,509 | 42,775 | 162,545 | 812,725 |
| -1 | -5 | -19 | -25 | -29 | -59 | -95 | -145 | -295 | -475 | -551 | -725 | -1,121 | -1,475 | -1,711 | -2,755 | -5,605 | -8,555 | -13,775 | -28,025 | -32,509 | -42,775 | -162,545 | -812,725 |
Here are some more numbers to try:
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