A:
Positive:
1 x 18278155 x 36556311 x 16616555 x 33233167 x 10945199 x 9185835 x 2189995 x 1837
Negative:
-1 x -1827815-5 x -365563-11 x -166165-55 x -33233-167 x -10945-199 x -9185-835 x -2189-995 x -1837
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 1,827,815, 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 | 1,827,815 | |
| -1 | -1,827,815 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 1,827,815.
Example:
1 x 1,827,815 = 1,827,815
and
-1 x -1,827,815 = 1,827,815
Notice both answers equal 1,827,815
With that explanation out of the way, let's continue. Next, we take the number 1,827,815 and divide it by 2:
1,827,815 ÷ 2 = 913,907.5
If the quotient is a whole number, then 2 and 913,907.5 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 | 1,827,815 | |
| -1 | -1,827,815 |
Now, we try dividing 1,827,815 by 3:
1,827,815 ÷ 3 = 609,271.6667
If the quotient is a whole number, then 3 and 609,271.6667 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 | 1,827,815 | |
| -1 | -1,827,815 |
Let's try dividing by 4:
1,827,815 ÷ 4 = 456,953.75
If the quotient is a whole number, then 4 and 456,953.75 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 | 1,827,815 | |
| -1 | 1,827,815 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 55 | 167 | 199 | 835 | 995 | 1,837 | 2,189 | 9,185 | 10,945 | 33,233 | 166,165 | 365,563 | 1,827,815 |
| -1 | -5 | -11 | -55 | -167 | -199 | -835 | -995 | -1,837 | -2,189 | -9,185 | -10,945 | -33,233 | -166,165 | -365,563 | -1,827,815 |
Here are some more numbers to try:
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