A:
Positive:
1 x 1247075755 x 2494151525 x 498830331 x 402282537 x 3370475155 x 804565185 x 674095775 x 160913925 x 1348191147 x 1087254349 x 286755735 x 21745
Negative:
-1 x -124707575-5 x -24941515-25 x -4988303-31 x -4022825-37 x -3370475-155 x -804565-185 x -674095-775 x -160913-925 x -134819-1147 x -108725-4349 x -28675-5735 x -21745
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 124,707,575, 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 | 124,707,575 | |
| -1 | -124,707,575 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 124,707,575.
Example:
1 x 124,707,575 = 124,707,575
and
-1 x -124,707,575 = 124,707,575
Notice both answers equal 124,707,575
With that explanation out of the way, let's continue. Next, we take the number 124,707,575 and divide it by 2:
124,707,575 ÷ 2 = 62,353,787.5
If the quotient is a whole number, then 2 and 62,353,787.5 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 | 124,707,575 | |
| -1 | -124,707,575 |
Now, we try dividing 124,707,575 by 3:
124,707,575 ÷ 3 = 41,569,191.6667
If the quotient is a whole number, then 3 and 41,569,191.6667 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 | 124,707,575 | |
| -1 | -124,707,575 |
Let's try dividing by 4:
124,707,575 ÷ 4 = 31,176,893.75
If the quotient is a whole number, then 4 and 31,176,893.75 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 | 124,707,575 | |
| -1 | 124,707,575 |
If you did it right, you will end up with this table:
| 1 | 5 | 25 | 31 | 37 | 155 | 185 | 775 | 925 | 1,147 | 4,349 | 5,735 | 21,745 | 28,675 | 108,725 | 134,819 | 160,913 | 674,095 | 804,565 | 3,370,475 | 4,022,825 | 4,988,303 | 24,941,515 | 124,707,575 |
| -1 | -5 | -25 | -31 | -37 | -155 | -185 | -775 | -925 | -1,147 | -4,349 | -5,735 | -21,745 | -28,675 | -108,725 | -134,819 | -160,913 | -674,095 | -804,565 | -3,370,475 | -4,022,825 | -4,988,303 | -24,941,515 | -124,707,575 |
Here are some more numbers to try:
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