A:
Positive:
1 x 150268255 x 300536511 x 136607525 x 60107353 x 28352555 x 273215265 x 56705275 x 54643583 x 257751031 x 145751325 x 113412915 x 5155
Negative:
-1 x -15026825-5 x -3005365-11 x -1366075-25 x -601073-53 x -283525-55 x -273215-265 x -56705-275 x -54643-583 x -25775-1031 x -14575-1325 x -11341-2915 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 15,026,825, 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 | 15,026,825 | |
| -1 | -15,026,825 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 15,026,825.
Example:
1 x 15,026,825 = 15,026,825
and
-1 x -15,026,825 = 15,026,825
Notice both answers equal 15,026,825
With that explanation out of the way, let's continue. Next, we take the number 15,026,825 and divide it by 2:
15,026,825 ÷ 2 = 7,513,412.5
If the quotient is a whole number, then 2 and 7,513,412.5 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 | 15,026,825 | |
| -1 | -15,026,825 |
Now, we try dividing 15,026,825 by 3:
15,026,825 ÷ 3 = 5,008,941.6667
If the quotient is a whole number, then 3 and 5,008,941.6667 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 | 15,026,825 | |
| -1 | -15,026,825 |
Let's try dividing by 4:
15,026,825 ÷ 4 = 3,756,706.25
If the quotient is a whole number, then 4 and 3,756,706.25 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 | 15,026,825 | |
| -1 | 15,026,825 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 25 | 53 | 55 | 265 | 275 | 583 | 1,031 | 1,325 | 2,915 | 5,155 | 11,341 | 14,575 | 25,775 | 54,643 | 56,705 | 273,215 | 283,525 | 601,073 | 1,366,075 | 3,005,365 | 15,026,825 |
| -1 | -5 | -11 | -25 | -53 | -55 | -265 | -275 | -583 | -1,031 | -1,325 | -2,915 | -5,155 | -11,341 | -14,575 | -25,775 | -54,643 | -56,705 | -273,215 | -283,525 | -601,073 | -1,366,075 | -3,005,365 | -15,026,825 |
Here are some more numbers to try:
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