A:
Positive:
1 x 203663355 x 407326711 x 185148555 x 370297353 x 576951049 x 194151765 x 115393883 x 5245
Negative:
-1 x -20366335-5 x -4073267-11 x -1851485-55 x -370297-353 x -57695-1049 x -19415-1765 x -11539-3883 x -5245
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 20,366,335, 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 | 20,366,335 | |
| -1 | -20,366,335 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 20,366,335.
Example:
1 x 20,366,335 = 20,366,335
and
-1 x -20,366,335 = 20,366,335
Notice both answers equal 20,366,335
With that explanation out of the way, let's continue. Next, we take the number 20,366,335 and divide it by 2:
20,366,335 ÷ 2 = 10,183,167.5
If the quotient is a whole number, then 2 and 10,183,167.5 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 | 20,366,335 | |
| -1 | -20,366,335 |
Now, we try dividing 20,366,335 by 3:
20,366,335 ÷ 3 = 6,788,778.3333
If the quotient is a whole number, then 3 and 6,788,778.3333 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 | 20,366,335 | |
| -1 | -20,366,335 |
Let's try dividing by 4:
20,366,335 ÷ 4 = 5,091,583.75
If the quotient is a whole number, then 4 and 5,091,583.75 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 | 20,366,335 | |
| -1 | 20,366,335 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 55 | 353 | 1,049 | 1,765 | 3,883 | 5,245 | 11,539 | 19,415 | 57,695 | 370,297 | 1,851,485 | 4,073,267 | 20,366,335 |
| -1 | -5 | -11 | -55 | -353 | -1,049 | -1,765 | -3,883 | -5,245 | -11,539 | -19,415 | -57,695 | -370,297 | -1,851,485 | -4,073,267 | -20,366,335 |
Here are some more numbers to try:
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