A:
Positive:
1 x 252337255 x 504674511 x 229397525 x 100934955 x 45879589 x 283525275 x 91759445 x 56705979 x 257751031 x 244752225 x 113414895 x 5155
Negative:
-1 x -25233725-5 x -5046745-11 x -2293975-25 x -1009349-55 x -458795-89 x -283525-275 x -91759-445 x -56705-979 x -25775-1031 x -24475-2225 x -11341-4895 x -5155
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 25,233,725, 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 | 25,233,725 | |
| -1 | -25,233,725 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 25,233,725.
Example:
1 x 25,233,725 = 25,233,725
and
-1 x -25,233,725 = 25,233,725
Notice both answers equal 25,233,725
With that explanation out of the way, let's continue. Next, we take the number 25,233,725 and divide it by 2:
25,233,725 ÷ 2 = 12,616,862.5
If the quotient is a whole number, then 2 and 12,616,862.5 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 | 25,233,725 | |
| -1 | -25,233,725 |
Now, we try dividing 25,233,725 by 3:
25,233,725 ÷ 3 = 8,411,241.6667
If the quotient is a whole number, then 3 and 8,411,241.6667 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 | 25,233,725 | |
| -1 | -25,233,725 |
Let's try dividing by 4:
25,233,725 ÷ 4 = 6,308,431.25
If the quotient is a whole number, then 4 and 6,308,431.25 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 | 25,233,725 | |
| -1 | 25,233,725 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 25 | 55 | 89 | 275 | 445 | 979 | 1,031 | 2,225 | 4,895 | 5,155 | 11,341 | 24,475 | 25,775 | 56,705 | 91,759 | 283,525 | 458,795 | 1,009,349 | 2,293,975 | 5,046,745 | 25,233,725 |
| -1 | -5 | -11 | -25 | -55 | -89 | -275 | -445 | -979 | -1,031 | -2,225 | -4,895 | -5,155 | -11,341 | -24,475 | -25,775 | -56,705 | -91,759 | -283,525 | -458,795 | -1,009,349 | -2,293,975 | -5,046,745 | -25,233,725 |
Here are some more numbers to try:
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