A:
Positive:
1 x 317443077 x 453490119 x 167075349 x 647843133 x 238679343 x 92549931 x 340974871 x 6517
Negative:
-1 x -31744307-7 x -4534901-19 x -1670753-49 x -647843-133 x -238679-343 x -92549-931 x -34097-4871 x -6517
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 31,744,307, 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 | 31,744,307 | |
| -1 | -31,744,307 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 31,744,307.
Example:
1 x 31,744,307 = 31,744,307
and
-1 x -31,744,307 = 31,744,307
Notice both answers equal 31,744,307
With that explanation out of the way, let's continue. Next, we take the number 31,744,307 and divide it by 2:
31,744,307 ÷ 2 = 15,872,153.5
If the quotient is a whole number, then 2 and 15,872,153.5 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 | 31,744,307 | |
| -1 | -31,744,307 |
Now, we try dividing 31,744,307 by 3:
31,744,307 ÷ 3 = 10,581,435.6667
If the quotient is a whole number, then 3 and 10,581,435.6667 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 | 31,744,307 | |
| -1 | -31,744,307 |
Let's try dividing by 4:
31,744,307 ÷ 4 = 7,936,076.75
If the quotient is a whole number, then 4 and 7,936,076.75 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 | 31,744,307 | |
| -1 | 31,744,307 |
If you did it right, you will end up with this table:
| 1 | 7 | 19 | 49 | 133 | 343 | 931 | 4,871 | 6,517 | 34,097 | 92,549 | 238,679 | 647,843 | 1,670,753 | 4,534,901 | 31,744,307 |
| -1 | -7 | -19 | -49 | -133 | -343 | -931 | -4,871 | -6,517 | -34,097 | -92,549 | -238,679 | -647,843 | -1,670,753 | -4,534,901 | -31,744,307 |
Here are some more numbers to try:
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