A:
Positive:
1 x 203355355 x 406710711 x 184868531 x 65598555 x 369737155 x 131197341 x 596351705 x 11927
Negative:
-1 x -20335535-5 x -4067107-11 x -1848685-31 x -655985-55 x -369737-155 x -131197-341 x -59635-1705 x -11927
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 20,335,535, 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 | 20,335,535 | |
| -1 | -20,335,535 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 20,335,535.
Example:
1 x 20,335,535 = 20,335,535
and
-1 x -20,335,535 = 20,335,535
Notice both answers equal 20,335,535
With that explanation out of the way, let's continue. Next, we take the number 20,335,535 and divide it by 2:
20,335,535 ÷ 2 = 10,167,767.5
If the quotient is a whole number, then 2 and 10,167,767.5 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 | 20,335,535 | |
| -1 | -20,335,535 |
Now, we try dividing 20,335,535 by 3:
20,335,535 ÷ 3 = 6,778,511.6667
If the quotient is a whole number, then 3 and 6,778,511.6667 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 | 20,335,535 | |
| -1 | -20,335,535 |
Let's try dividing by 4:
20,335,535 ÷ 4 = 5,083,883.75
If the quotient is a whole number, then 4 and 5,083,883.75 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 | 20,335,535 | |
| -1 | 20,335,535 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 31 | 55 | 155 | 341 | 1,705 | 11,927 | 59,635 | 131,197 | 369,737 | 655,985 | 1,848,685 | 4,067,107 | 20,335,535 |
| -1 | -5 | -11 | -31 | -55 | -155 | -341 | -1,705 | -11,927 | -59,635 | -131,197 | -369,737 | -655,985 | -1,848,685 | -4,067,107 | -20,335,535 |
Here are some more numbers to try:
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