A:
Positive:
1 x 1247755 x 249557 x 1782523 x 542525 x 499131 x 402535 x 3565115 x 1085155 x 805161 x 775175 x 713217 x 575
Negative:
-1 x -124775-5 x -24955-7 x -17825-23 x -5425-25 x -4991-31 x -4025-35 x -3565-115 x -1085-155 x -805-161 x -775-175 x -713-217 x -575
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 124,775, 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 | 124,775 | |
| -1 | -124,775 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 124,775.
Example:
1 x 124,775 = 124,775
and
-1 x -124,775 = 124,775
Notice both answers equal 124,775
With that explanation out of the way, let's continue. Next, we take the number 124,775 and divide it by 2:
124,775 ÷ 2 = 62,387.5
If the quotient is a whole number, then 2 and 62,387.5 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 | 124,775 | |
| -1 | -124,775 |
Now, we try dividing 124,775 by 3:
124,775 ÷ 3 = 41,591.6667
If the quotient is a whole number, then 3 and 41,591.6667 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 | 124,775 | |
| -1 | -124,775 |
Let's try dividing by 4:
124,775 ÷ 4 = 31,193.75
If the quotient is a whole number, then 4 and 31,193.75 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 | 124,775 | |
| -1 | 124,775 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 23 | 25 | 31 | 35 | 115 | 155 | 161 | 175 | 217 | 575 | 713 | 775 | 805 | 1,085 | 3,565 | 4,025 | 4,991 | 5,425 | 17,825 | 24,955 | 124,775 |
| -1 | -5 | -7 | -23 | -25 | -31 | -35 | -115 | -155 | -161 | -175 | -217 | -575 | -713 | -775 | -805 | -1,085 | -3,565 | -4,025 | -4,991 | -5,425 | -17,825 | -24,955 | -124,775 |
Here are some more numbers to try:
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