A:
Positive:
1 x 247087255 x 494174525 x 98834929 x 852025145 x 170405173 x 142825197 x 125425725 x 34081865 x 28565985 x 250854325 x 57134925 x 5017
Negative:
-1 x -24708725-5 x -4941745-25 x -988349-29 x -852025-145 x -170405-173 x -142825-197 x -125425-725 x -34081-865 x -28565-985 x -25085-4325 x -5713-4925 x -5017
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 24,708,725, 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 | 24,708,725 | |
| -1 | -24,708,725 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 24,708,725.
Example:
1 x 24,708,725 = 24,708,725
and
-1 x -24,708,725 = 24,708,725
Notice both answers equal 24,708,725
With that explanation out of the way, let's continue. Next, we take the number 24,708,725 and divide it by 2:
24,708,725 ÷ 2 = 12,354,362.5
If the quotient is a whole number, then 2 and 12,354,362.5 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 | 24,708,725 | |
| -1 | -24,708,725 |
Now, we try dividing 24,708,725 by 3:
24,708,725 ÷ 3 = 8,236,241.6667
If the quotient is a whole number, then 3 and 8,236,241.6667 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 | 24,708,725 | |
| -1 | -24,708,725 |
Let's try dividing by 4:
24,708,725 ÷ 4 = 6,177,181.25
If the quotient is a whole number, then 4 and 6,177,181.25 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 | 24,708,725 | |
| -1 | 24,708,725 |
If you did it right, you will end up with this table:
| 1 | 5 | 25 | 29 | 145 | 173 | 197 | 725 | 865 | 985 | 4,325 | 4,925 | 5,017 | 5,713 | 25,085 | 28,565 | 34,081 | 125,425 | 142,825 | 170,405 | 852,025 | 988,349 | 4,941,745 | 24,708,725 |
| -1 | -5 | -25 | -29 | -145 | -173 | -197 | -725 | -865 | -985 | -4,325 | -4,925 | -5,017 | -5,713 | -25,085 | -28,565 | -34,081 | -125,425 | -142,825 | -170,405 | -852,025 | -988,349 | -4,941,745 | -24,708,725 |
Here are some more numbers to try:
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