A:
Positive:
1 x 1262878255 x 2525756523 x 549077525 x 505151347 x 2686975115 x 1098155235 x 537395575 x 2196311081 x 1168251175 x 1074794673 x 270255405 x 23365
Negative:
-1 x -126287825-5 x -25257565-23 x -5490775-25 x -5051513-47 x -2686975-115 x -1098155-235 x -537395-575 x -219631-1081 x -116825-1175 x -107479-4673 x -27025-5405 x -23365
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 126,287,825, 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 | 126,287,825 | |
| -1 | -126,287,825 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 126,287,825.
Example:
1 x 126,287,825 = 126,287,825
and
-1 x -126,287,825 = 126,287,825
Notice both answers equal 126,287,825
With that explanation out of the way, let's continue. Next, we take the number 126,287,825 and divide it by 2:
126,287,825 ÷ 2 = 63,143,912.5
If the quotient is a whole number, then 2 and 63,143,912.5 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 | 126,287,825 | |
| -1 | -126,287,825 |
Now, we try dividing 126,287,825 by 3:
126,287,825 ÷ 3 = 42,095,941.6667
If the quotient is a whole number, then 3 and 42,095,941.6667 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 | 126,287,825 | |
| -1 | -126,287,825 |
Let's try dividing by 4:
126,287,825 ÷ 4 = 31,571,956.25
If the quotient is a whole number, then 4 and 31,571,956.25 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 | 126,287,825 | |
| -1 | 126,287,825 |
If you did it right, you will end up with this table:
| 1 | 5 | 23 | 25 | 47 | 115 | 235 | 575 | 1,081 | 1,175 | 4,673 | 5,405 | 23,365 | 27,025 | 107,479 | 116,825 | 219,631 | 537,395 | 1,098,155 | 2,686,975 | 5,051,513 | 5,490,775 | 25,257,565 | 126,287,825 |
| -1 | -5 | -23 | -25 | -47 | -115 | -235 | -575 | -1,081 | -1,175 | -4,673 | -5,405 | -23,365 | -27,025 | -107,479 | -116,825 | -219,631 | -537,395 | -1,098,155 | -2,686,975 | -5,051,513 | -5,490,775 | -25,257,565 | -126,287,825 |
Here are some more numbers to try:
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