A:
Positive:
1 x 5506155 x 11012313 x 4235543 x 1280565 x 8471197 x 2795215 x 2561559 x 985
Negative:
-1 x -550615-5 x -110123-13 x -42355-43 x -12805-65 x -8471-197 x -2795-215 x -2561-559 x -985
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 550,615, 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 | 550,615 | |
| -1 | -550,615 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 550,615.
Example:
1 x 550,615 = 550,615
and
-1 x -550,615 = 550,615
Notice both answers equal 550,615
With that explanation out of the way, let's continue. Next, we take the number 550,615 and divide it by 2:
550,615 ÷ 2 = 275,307.5
If the quotient is a whole number, then 2 and 275,307.5 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 | 550,615 | |
| -1 | -550,615 |
Now, we try dividing 550,615 by 3:
550,615 ÷ 3 = 183,538.3333
If the quotient is a whole number, then 3 and 183,538.3333 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 | 550,615 | |
| -1 | -550,615 |
Let's try dividing by 4:
550,615 ÷ 4 = 137,653.75
If the quotient is a whole number, then 4 and 137,653.75 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 | 550,615 | |
| -1 | 550,615 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 43 | 65 | 197 | 215 | 559 | 985 | 2,561 | 2,795 | 8,471 | 12,805 | 42,355 | 110,123 | 550,615 |
| -1 | -5 | -13 | -43 | -65 | -197 | -215 | -559 | -985 | -2,561 | -2,795 | -8,471 | -12,805 | -42,355 | -110,123 | -550,615 |
Here are some more numbers to try:
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