A:
Positive:
1 x 35206255 x 70412525 x 14082543 x 81875125 x 28165131 x 26875215 x 16375625 x 5633655 x 53751075 x 3275
Negative:
-1 x -3520625-5 x -704125-25 x -140825-43 x -81875-125 x -28165-131 x -26875-215 x -16375-625 x -5633-655 x -5375-1075 x -3275
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 3,520,625, 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 | 3,520,625 | |
| -1 | -3,520,625 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 3,520,625.
Example:
1 x 3,520,625 = 3,520,625
and
-1 x -3,520,625 = 3,520,625
Notice both answers equal 3,520,625
With that explanation out of the way, let's continue. Next, we take the number 3,520,625 and divide it by 2:
3,520,625 ÷ 2 = 1,760,312.5
If the quotient is a whole number, then 2 and 1,760,312.5 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 | 3,520,625 | |
| -1 | -3,520,625 |
Now, we try dividing 3,520,625 by 3:
3,520,625 ÷ 3 = 1,173,541.6667
If the quotient is a whole number, then 3 and 1,173,541.6667 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 | 3,520,625 | |
| -1 | -3,520,625 |
Let's try dividing by 4:
3,520,625 ÷ 4 = 880,156.25
If the quotient is a whole number, then 4 and 880,156.25 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 | 3,520,625 | |
| -1 | 3,520,625 |
If you did it right, you will end up with this table:
| 1 | 5 | 25 | 43 | 125 | 131 | 215 | 625 | 655 | 1,075 | 3,275 | 5,375 | 5,633 | 16,375 | 26,875 | 28,165 | 81,875 | 140,825 | 704,125 | 3,520,625 |
| -1 | -5 | -25 | -43 | -125 | -131 | -215 | -625 | -655 | -1,075 | -3,275 | -5,375 | -5,633 | -16,375 | -26,875 | -28,165 | -81,875 | -140,825 | -704,125 | -3,520,625 |
Here are some more numbers to try:
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