A:
Positive:
1 x 20446242 x 10223124 x 5111568 x 25557816 x 12778917 x 12027234 x 6013668 x 30068136 x 15034272 x 7517
Negative:
-1 x -2044624-2 x -1022312-4 x -511156-8 x -255578-16 x -127789-17 x -120272-34 x -60136-68 x -30068-136 x -15034-272 x -7517
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 2,044,624, 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 | 2,044,624 | |
| -1 | -2,044,624 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 2,044,624.
Example:
1 x 2,044,624 = 2,044,624
and
-1 x -2,044,624 = 2,044,624
Notice both answers equal 2,044,624
With that explanation out of the way, let's continue. Next, we take the number 2,044,624 and divide it by 2:
2,044,624 ÷ 2 = 1,022,312
If the quotient is a whole number, then 2 and 1,022,312 are factors. In this case, the quotient is a whole number. Write them in the table inside the other two factors like the below example. Don't forget to write the negative numbers too!
Here is what our table should look like at this step:
| 1 | 2 | 1,022,312 | 2,044,624 | |
| -1 | -2 | -1,022,312 | -2,044,624 |
Now, we try dividing 2,044,624 by 3:
2,044,624 ÷ 3 = 681,541.3333
If the quotient is a whole number, then 3 and 681,541.3333 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 | 2 | 1,022,312 | 2,044,624 | |
| -1 | -2 | -1,022,312 | -2,044,624 |
Let's try dividing by 4:
2,044,624 ÷ 4 = 511,156
If the quotient is a whole number, then 4 and 511,156 are factors. In this case, the quotient is a whole number. Write them in the table inside the other two factors like the below example. Don't forget to write the negative numbers too!
Here is what our table should look like at this step:
| 1 | 2 | 4 | 511,156 | 1,022,312 | 2,044,624 | |
| -1 | -2 | -4 | -511,156 | -1,022,312 | 2,044,624 |
If you did it right, you will end up with this table:
| 1 | 2 | 4 | 8 | 16 | 17 | 34 | 68 | 136 | 272 | 7,517 | 15,034 | 30,068 | 60,136 | 120,272 | 127,789 | 255,578 | 511,156 | 1,022,312 | 2,044,624 |
| -1 | -2 | -4 | -8 | -16 | -17 | -34 | -68 | -136 | -272 | -7,517 | -15,034 | -30,068 | -60,136 | -120,272 | -127,789 | -255,578 | -511,156 | -1,022,312 | -2,044,624 |
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