A:
Positive:
1 x 36668155 x 73336317 x 21569585 x 43139179 x 20485241 x 15215895 x 40971205 x 3043
Negative:
-1 x -3666815-5 x -733363-17 x -215695-85 x -43139-179 x -20485-241 x -15215-895 x -4097-1205 x -3043
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 3,666,815, 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 | 3,666,815 | |
| -1 | -3,666,815 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 3,666,815.
Example:
1 x 3,666,815 = 3,666,815
and
-1 x -3,666,815 = 3,666,815
Notice both answers equal 3,666,815
With that explanation out of the way, let's continue. Next, we take the number 3,666,815 and divide it by 2:
3,666,815 ÷ 2 = 1,833,407.5
If the quotient is a whole number, then 2 and 1,833,407.5 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 | 3,666,815 | |
| -1 | -3,666,815 |
Now, we try dividing 3,666,815 by 3:
3,666,815 ÷ 3 = 1,222,271.6667
If the quotient is a whole number, then 3 and 1,222,271.6667 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 | 3,666,815 | |
| -1 | -3,666,815 |
Let's try dividing by 4:
3,666,815 ÷ 4 = 916,703.75
If the quotient is a whole number, then 4 and 916,703.75 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 | 3,666,815 | |
| -1 | 3,666,815 |
If you did it right, you will end up with this table:
| 1 | 5 | 17 | 85 | 179 | 241 | 895 | 1,205 | 3,043 | 4,097 | 15,215 | 20,485 | 43,139 | 215,695 | 733,363 | 3,666,815 |
| -1 | -5 | -17 | -85 | -179 | -241 | -895 | -1,205 | -3,043 | -4,097 | -15,215 | -20,485 | -43,139 | -215,695 | -733,363 | -3,666,815 |
Here are some more numbers to try:
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