A:
Positive:
1 x 2024603911 x 184054919 x 106558173 x 277343209 x 96871803 x 252131327 x 152571387 x 14597
Negative:
-1 x -20246039-11 x -1840549-19 x -1065581-73 x -277343-209 x -96871-803 x -25213-1327 x -15257-1387 x -14597
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 20,246,039, 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 | 20,246,039 | |
| -1 | -20,246,039 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 20,246,039.
Example:
1 x 20,246,039 = 20,246,039
and
-1 x -20,246,039 = 20,246,039
Notice both answers equal 20,246,039
With that explanation out of the way, let's continue. Next, we take the number 20,246,039 and divide it by 2:
20,246,039 ÷ 2 = 10,123,019.5
If the quotient is a whole number, then 2 and 10,123,019.5 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 | 20,246,039 | |
| -1 | -20,246,039 |
Now, we try dividing 20,246,039 by 3:
20,246,039 ÷ 3 = 6,748,679.6667
If the quotient is a whole number, then 3 and 6,748,679.6667 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 | 20,246,039 | |
| -1 | -20,246,039 |
Let's try dividing by 4:
20,246,039 ÷ 4 = 5,061,509.75
If the quotient is a whole number, then 4 and 5,061,509.75 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 | 20,246,039 | |
| -1 | 20,246,039 |
If you did it right, you will end up with this table:
| 1 | 11 | 19 | 73 | 209 | 803 | 1,327 | 1,387 | 14,597 | 15,257 | 25,213 | 96,871 | 277,343 | 1,065,581 | 1,840,549 | 20,246,039 |
| -1 | -11 | -19 | -73 | -209 | -803 | -1,327 | -1,387 | -14,597 | -15,257 | -25,213 | -96,871 | -277,343 | -1,065,581 | -1,840,549 | -20,246,039 |
Here are some more numbers to try:
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