A:
Positive:
1 x 126259255 x 252518513 x 97122525 x 50503753 x 23822565 x 194245265 x 47645325 x 38849689 x 18325733 x 172251325 x 95293445 x 3665
Negative:
-1 x -12625925-5 x -2525185-13 x -971225-25 x -505037-53 x -238225-65 x -194245-265 x -47645-325 x -38849-689 x -18325-733 x -17225-1325 x -9529-3445 x -3665
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 12,625,925, 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 | 12,625,925 | |
| -1 | -12,625,925 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 12,625,925.
Example:
1 x 12,625,925 = 12,625,925
and
-1 x -12,625,925 = 12,625,925
Notice both answers equal 12,625,925
With that explanation out of the way, let's continue. Next, we take the number 12,625,925 and divide it by 2:
12,625,925 ÷ 2 = 6,312,962.5
If the quotient is a whole number, then 2 and 6,312,962.5 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 | 12,625,925 | |
| -1 | -12,625,925 |
Now, we try dividing 12,625,925 by 3:
12,625,925 ÷ 3 = 4,208,641.6667
If the quotient is a whole number, then 3 and 4,208,641.6667 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 | 12,625,925 | |
| -1 | -12,625,925 |
Let's try dividing by 4:
12,625,925 ÷ 4 = 3,156,481.25
If the quotient is a whole number, then 4 and 3,156,481.25 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 | 12,625,925 | |
| -1 | 12,625,925 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 25 | 53 | 65 | 265 | 325 | 689 | 733 | 1,325 | 3,445 | 3,665 | 9,529 | 17,225 | 18,325 | 38,849 | 47,645 | 194,245 | 238,225 | 505,037 | 971,225 | 2,525,185 | 12,625,925 |
| -1 | -5 | -13 | -25 | -53 | -65 | -265 | -325 | -689 | -733 | -1,325 | -3,445 | -3,665 | -9,529 | -17,225 | -18,325 | -38,849 | -47,645 | -194,245 | -238,225 | -505,037 | -971,225 | -2,525,185 | -12,625,925 |
Here are some more numbers to try:
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