A:
Positive:
1 x 50471477 x 72102117 x 29689149 x 10300373 x 6913983 x 60809119 x 42413511 x 9877581 x 8687833 x 60591241 x 40671411 x 3577
Negative:
-1 x -5047147-7 x -721021-17 x -296891-49 x -103003-73 x -69139-83 x -60809-119 x -42413-511 x -9877-581 x -8687-833 x -6059-1241 x -4067-1411 x -3577
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 5,047,147, 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 | 5,047,147 | |
| -1 | -5,047,147 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 5,047,147.
Example:
1 x 5,047,147 = 5,047,147
and
-1 x -5,047,147 = 5,047,147
Notice both answers equal 5,047,147
With that explanation out of the way, let's continue. Next, we take the number 5,047,147 and divide it by 2:
5,047,147 ÷ 2 = 2,523,573.5
If the quotient is a whole number, then 2 and 2,523,573.5 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 | 5,047,147 | |
| -1 | -5,047,147 |
Now, we try dividing 5,047,147 by 3:
5,047,147 ÷ 3 = 1,682,382.3333
If the quotient is a whole number, then 3 and 1,682,382.3333 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 | 5,047,147 | |
| -1 | -5,047,147 |
Let's try dividing by 4:
5,047,147 ÷ 4 = 1,261,786.75
If the quotient is a whole number, then 4 and 1,261,786.75 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 | 5,047,147 | |
| -1 | 5,047,147 |
If you did it right, you will end up with this table:
| 1 | 7 | 17 | 49 | 73 | 83 | 119 | 511 | 581 | 833 | 1,241 | 1,411 | 3,577 | 4,067 | 6,059 | 8,687 | 9,877 | 42,413 | 60,809 | 69,139 | 103,003 | 296,891 | 721,021 | 5,047,147 |
| -1 | -7 | -17 | -49 | -73 | -83 | -119 | -511 | -581 | -833 | -1,241 | -1,411 | -3,577 | -4,067 | -6,059 | -8,687 | -9,877 | -42,413 | -60,809 | -69,139 | -103,003 | -296,891 | -721,021 | -5,047,147 |
Here are some more numbers to try:
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