A:
Positive:
1 x 49806255 x 99612513 x 38312525 x 19922565 x 76625125 x 39845325 x 15325613 x 8125625 x 79691625 x 3065
Negative:
-1 x -4980625-5 x -996125-13 x -383125-25 x -199225-65 x -76625-125 x -39845-325 x -15325-613 x -8125-625 x -7969-1625 x -3065
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 4,980,625, 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 | 4,980,625 | |
| -1 | -4,980,625 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 4,980,625.
Example:
1 x 4,980,625 = 4,980,625
and
-1 x -4,980,625 = 4,980,625
Notice both answers equal 4,980,625
With that explanation out of the way, let's continue. Next, we take the number 4,980,625 and divide it by 2:
4,980,625 ÷ 2 = 2,490,312.5
If the quotient is a whole number, then 2 and 2,490,312.5 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 | 4,980,625 | |
| -1 | -4,980,625 |
Now, we try dividing 4,980,625 by 3:
4,980,625 ÷ 3 = 1,660,208.3333
If the quotient is a whole number, then 3 and 1,660,208.3333 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 | 4,980,625 | |
| -1 | -4,980,625 |
Let's try dividing by 4:
4,980,625 ÷ 4 = 1,245,156.25
If the quotient is a whole number, then 4 and 1,245,156.25 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 | 4,980,625 | |
| -1 | 4,980,625 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 25 | 65 | 125 | 325 | 613 | 625 | 1,625 | 3,065 | 7,969 | 8,125 | 15,325 | 39,845 | 76,625 | 199,225 | 383,125 | 996,125 | 4,980,625 |
| -1 | -5 | -13 | -25 | -65 | -125 | -325 | -613 | -625 | -1,625 | -3,065 | -7,969 | -8,125 | -15,325 | -39,845 | -76,625 | -199,225 | -383,125 | -996,125 | -4,980,625 |
Here are some more numbers to try:
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