A:
Positive:
1 x 3110224255 x 622044857 x 4443177525 x 1244089735 x 8886355175 x 1777271859 x 3620752069 x 1503254295 x 724156013 x 5172510345 x 3006514483 x 21475
Negative:
-1 x -311022425-5 x -62204485-7 x -44431775-25 x -12440897-35 x -8886355-175 x -1777271-859 x -362075-2069 x -150325-4295 x -72415-6013 x -51725-10345 x -30065-14483 x -21475
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 311,022,425, 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 | 311,022,425 | |
| -1 | -311,022,425 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 311,022,425.
Example:
1 x 311,022,425 = 311,022,425
and
-1 x -311,022,425 = 311,022,425
Notice both answers equal 311,022,425
With that explanation out of the way, let's continue. Next, we take the number 311,022,425 and divide it by 2:
311,022,425 ÷ 2 = 155,511,212.5
If the quotient is a whole number, then 2 and 155,511,212.5 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 | 311,022,425 | |
| -1 | -311,022,425 |
Now, we try dividing 311,022,425 by 3:
311,022,425 ÷ 3 = 103,674,141.6667
If the quotient is a whole number, then 3 and 103,674,141.6667 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 | 311,022,425 | |
| -1 | -311,022,425 |
Let's try dividing by 4:
311,022,425 ÷ 4 = 77,755,606.25
If the quotient is a whole number, then 4 and 77,755,606.25 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 | 311,022,425 | |
| -1 | 311,022,425 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 25 | 35 | 175 | 859 | 2,069 | 4,295 | 6,013 | 10,345 | 14,483 | 21,475 | 30,065 | 51,725 | 72,415 | 150,325 | 362,075 | 1,777,271 | 8,886,355 | 12,440,897 | 44,431,775 | 62,204,485 | 311,022,425 |
| -1 | -5 | -7 | -25 | -35 | -175 | -859 | -2,069 | -4,295 | -6,013 | -10,345 | -14,483 | -21,475 | -30,065 | -51,725 | -72,415 | -150,325 | -362,075 | -1,777,271 | -8,886,355 | -12,440,897 | -44,431,775 | -62,204,485 | -311,022,425 |
Here are some more numbers to try:
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