A:
Positive:
1 x 411122397 x 587317717 x 2418367119 x 345481173 x 2376431211 x 339491997 x 205872941 x 13979
Negative:
-1 x -41112239-7 x -5873177-17 x -2418367-119 x -345481-173 x -237643-1211 x -33949-1997 x -20587-2941 x -13979
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 41,112,239, 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 | 41,112,239 | |
| -1 | -41,112,239 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 41,112,239.
Example:
1 x 41,112,239 = 41,112,239
and
-1 x -41,112,239 = 41,112,239
Notice both answers equal 41,112,239
With that explanation out of the way, let's continue. Next, we take the number 41,112,239 and divide it by 2:
41,112,239 ÷ 2 = 20,556,119.5
If the quotient is a whole number, then 2 and 20,556,119.5 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 | 41,112,239 | |
| -1 | -41,112,239 |
Now, we try dividing 41,112,239 by 3:
41,112,239 ÷ 3 = 13,704,079.6667
If the quotient is a whole number, then 3 and 13,704,079.6667 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 | 41,112,239 | |
| -1 | -41,112,239 |
Let's try dividing by 4:
41,112,239 ÷ 4 = 10,278,059.75
If the quotient is a whole number, then 4 and 10,278,059.75 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 | 41,112,239 | |
| -1 | 41,112,239 |
If you did it right, you will end up with this table:
| 1 | 7 | 17 | 119 | 173 | 1,211 | 1,997 | 2,941 | 13,979 | 20,587 | 33,949 | 237,643 | 345,481 | 2,418,367 | 5,873,177 | 41,112,239 |
| -1 | -7 | -17 | -119 | -173 | -1,211 | -1,997 | -2,941 | -13,979 | -20,587 | -33,949 | -237,643 | -345,481 | -2,418,367 | -5,873,177 | -41,112,239 |
Here are some more numbers to try:
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