A:
Positive:
1 x 31334323119 x 1649174929 x 10804939277 x 1131203551 x 5686812053 x 1526275263 x 595378033 x 39007
Negative:
-1 x -313343231-19 x -16491749-29 x -10804939-277 x -1131203-551 x -568681-2053 x -152627-5263 x -59537-8033 x -39007
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 313,343,231, 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 | 313,343,231 | |
| -1 | -313,343,231 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 313,343,231.
Example:
1 x 313,343,231 = 313,343,231
and
-1 x -313,343,231 = 313,343,231
Notice both answers equal 313,343,231
With that explanation out of the way, let's continue. Next, we take the number 313,343,231 and divide it by 2:
313,343,231 ÷ 2 = 156,671,615.5
If the quotient is a whole number, then 2 and 156,671,615.5 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 | 313,343,231 | |
| -1 | -313,343,231 |
Now, we try dividing 313,343,231 by 3:
313,343,231 ÷ 3 = 104,447,743.6667
If the quotient is a whole number, then 3 and 104,447,743.6667 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 | 313,343,231 | |
| -1 | -313,343,231 |
Let's try dividing by 4:
313,343,231 ÷ 4 = 78,335,807.75
If the quotient is a whole number, then 4 and 78,335,807.75 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 | 313,343,231 | |
| -1 | 313,343,231 |
If you did it right, you will end up with this table:
| 1 | 19 | 29 | 277 | 551 | 2,053 | 5,263 | 8,033 | 39,007 | 59,537 | 152,627 | 568,681 | 1,131,203 | 10,804,939 | 16,491,749 | 313,343,231 |
| -1 | -19 | -29 | -277 | -551 | -2,053 | -5,263 | -8,033 | -39,007 | -59,537 | -152,627 | -568,681 | -1,131,203 | -10,804,939 | -16,491,749 | -313,343,231 |
Here are some more numbers to try:
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