A:
Positive:
1 x 200141155 x 400282311 x 181946555 x 363893167 x 119845835 x 239691837 x 108952179 x 9185
Negative:
-1 x -20014115-5 x -4002823-11 x -1819465-55 x -363893-167 x -119845-835 x -23969-1837 x -10895-2179 x -9185
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 20,014,115, 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 | 20,014,115 | |
| -1 | -20,014,115 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 20,014,115.
Example:
1 x 20,014,115 = 20,014,115
and
-1 x -20,014,115 = 20,014,115
Notice both answers equal 20,014,115
With that explanation out of the way, let's continue. Next, we take the number 20,014,115 and divide it by 2:
20,014,115 ÷ 2 = 10,007,057.5
If the quotient is a whole number, then 2 and 10,007,057.5 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 | 20,014,115 | |
| -1 | -20,014,115 |
Now, we try dividing 20,014,115 by 3:
20,014,115 ÷ 3 = 6,671,371.6667
If the quotient is a whole number, then 3 and 6,671,371.6667 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 | 20,014,115 | |
| -1 | -20,014,115 |
Let's try dividing by 4:
20,014,115 ÷ 4 = 5,003,528.75
If the quotient is a whole number, then 4 and 5,003,528.75 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 | 20,014,115 | |
| -1 | 20,014,115 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 55 | 167 | 835 | 1,837 | 2,179 | 9,185 | 10,895 | 23,969 | 119,845 | 363,893 | 1,819,465 | 4,002,823 | 20,014,115 |
| -1 | -5 | -11 | -55 | -167 | -835 | -1,837 | -2,179 | -9,185 | -10,895 | -23,969 | -119,845 | -363,893 | -1,819,465 | -4,002,823 | -20,014,115 |
Here are some more numbers to try:
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