A:
Positive:
1 x 1241937977 x 1774197113 x 955336941 x 302911791 x 1364767287 x 432731533 x 2330093731 x 33287
Negative:
-1 x -124193797-7 x -17741971-13 x -9553369-41 x -3029117-91 x -1364767-287 x -432731-533 x -233009-3731 x -33287
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 124,193,797, 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 | 124,193,797 | |
| -1 | -124,193,797 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 124,193,797.
Example:
1 x 124,193,797 = 124,193,797
and
-1 x -124,193,797 = 124,193,797
Notice both answers equal 124,193,797
With that explanation out of the way, let's continue. Next, we take the number 124,193,797 and divide it by 2:
124,193,797 ÷ 2 = 62,096,898.5
If the quotient is a whole number, then 2 and 62,096,898.5 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 | 124,193,797 | |
| -1 | -124,193,797 |
Now, we try dividing 124,193,797 by 3:
124,193,797 ÷ 3 = 41,397,932.3333
If the quotient is a whole number, then 3 and 41,397,932.3333 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 | 124,193,797 | |
| -1 | -124,193,797 |
Let's try dividing by 4:
124,193,797 ÷ 4 = 31,048,449.25
If the quotient is a whole number, then 4 and 31,048,449.25 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 | 124,193,797 | |
| -1 | 124,193,797 |
If you did it right, you will end up with this table:
| 1 | 7 | 13 | 41 | 91 | 287 | 533 | 3,731 | 33,287 | 233,009 | 432,731 | 1,364,767 | 3,029,117 | 9,553,369 | 17,741,971 | 124,193,797 |
| -1 | -7 | -13 | -41 | -91 | -287 | -533 | -3,731 | -33,287 | -233,009 | -432,731 | -1,364,767 | -3,029,117 | -9,553,369 | -17,741,971 | -124,193,797 |
Here are some more numbers to try:
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