A:
Positive:
1 x 500743111 x 45522113 x 38518719 x 26354997 x 51623143 x 35017209 x 23959247 x 20273361 x 138711067 x 46931261 x 39711843 x 2717
Negative:
-1 x -5007431-11 x -455221-13 x -385187-19 x -263549-97 x -51623-143 x -35017-209 x -23959-247 x -20273-361 x -13871-1067 x -4693-1261 x -3971-1843 x -2717
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 5,007,431, 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 | 5,007,431 | |
| -1 | -5,007,431 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 5,007,431.
Example:
1 x 5,007,431 = 5,007,431
and
-1 x -5,007,431 = 5,007,431
Notice both answers equal 5,007,431
With that explanation out of the way, let's continue. Next, we take the number 5,007,431 and divide it by 2:
5,007,431 ÷ 2 = 2,503,715.5
If the quotient is a whole number, then 2 and 2,503,715.5 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 | 5,007,431 | |
| -1 | -5,007,431 |
Now, we try dividing 5,007,431 by 3:
5,007,431 ÷ 3 = 1,669,143.6667
If the quotient is a whole number, then 3 and 1,669,143.6667 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 | 5,007,431 | |
| -1 | -5,007,431 |
Let's try dividing by 4:
5,007,431 ÷ 4 = 1,251,857.75
If the quotient is a whole number, then 4 and 1,251,857.75 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 | 5,007,431 | |
| -1 | 5,007,431 |
If you did it right, you will end up with this table:
| 1 | 11 | 13 | 19 | 97 | 143 | 209 | 247 | 361 | 1,067 | 1,261 | 1,843 | 2,717 | 3,971 | 4,693 | 13,871 | 20,273 | 23,959 | 35,017 | 51,623 | 263,549 | 385,187 | 455,221 | 5,007,431 |
| -1 | -11 | -13 | -19 | -97 | -143 | -209 | -247 | -361 | -1,067 | -1,261 | -1,843 | -2,717 | -3,971 | -4,693 | -13,871 | -20,273 | -23,959 | -35,017 | -51,623 | -263,549 | -385,187 | -455,221 | -5,007,431 |
Here are some more numbers to try:
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