A:
Positive:
1 x 251080855 x 502161771 x 353635107 x 234655355 x 70727535 x 46931661 x 379853305 x 7597
Negative:
-1 x -25108085-5 x -5021617-71 x -353635-107 x -234655-355 x -70727-535 x -46931-661 x -37985-3305 x -7597
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 25,108,085, 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 | 25,108,085 | |
| -1 | -25,108,085 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 25,108,085.
Example:
1 x 25,108,085 = 25,108,085
and
-1 x -25,108,085 = 25,108,085
Notice both answers equal 25,108,085
With that explanation out of the way, let's continue. Next, we take the number 25,108,085 and divide it by 2:
25,108,085 ÷ 2 = 12,554,042.5
If the quotient is a whole number, then 2 and 12,554,042.5 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 | 25,108,085 | |
| -1 | -25,108,085 |
Now, we try dividing 25,108,085 by 3:
25,108,085 ÷ 3 = 8,369,361.6667
If the quotient is a whole number, then 3 and 8,369,361.6667 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 | 25,108,085 | |
| -1 | -25,108,085 |
Let's try dividing by 4:
25,108,085 ÷ 4 = 6,277,021.25
If the quotient is a whole number, then 4 and 6,277,021.25 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 | 25,108,085 | |
| -1 | 25,108,085 |
If you did it right, you will end up with this table:
| 1 | 5 | 71 | 107 | 355 | 535 | 661 | 3,305 | 7,597 | 37,985 | 46,931 | 70,727 | 234,655 | 353,635 | 5,021,617 | 25,108,085 |
| -1 | -5 | -71 | -107 | -355 | -535 | -661 | -3,305 | -7,597 | -37,985 | -46,931 | -70,727 | -234,655 | -353,635 | -5,021,617 | -25,108,085 |
Here are some more numbers to try:
Try the factor calculator