A:
Positive:
1 x 13316155 x 26632319 x 7008595 x 14017107 x 12445131 x 10165535 x 2489655 x 2033
Negative:
-1 x -1331615-5 x -266323-19 x -70085-95 x -14017-107 x -12445-131 x -10165-535 x -2489-655 x -2033
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 1,331,615, 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 | 1,331,615 | |
| -1 | -1,331,615 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 1,331,615.
Example:
1 x 1,331,615 = 1,331,615
and
-1 x -1,331,615 = 1,331,615
Notice both answers equal 1,331,615
With that explanation out of the way, let's continue. Next, we take the number 1,331,615 and divide it by 2:
1,331,615 ÷ 2 = 665,807.5
If the quotient is a whole number, then 2 and 665,807.5 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 | 1,331,615 | |
| -1 | -1,331,615 |
Now, we try dividing 1,331,615 by 3:
1,331,615 ÷ 3 = 443,871.6667
If the quotient is a whole number, then 3 and 443,871.6667 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 | 1,331,615 | |
| -1 | -1,331,615 |
Let's try dividing by 4:
1,331,615 ÷ 4 = 332,903.75
If the quotient is a whole number, then 4 and 332,903.75 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 | 1,331,615 | |
| -1 | 1,331,615 |
If you did it right, you will end up with this table:
| 1 | 5 | 19 | 95 | 107 | 131 | 535 | 655 | 2,033 | 2,489 | 10,165 | 12,445 | 14,017 | 70,085 | 266,323 | 1,331,615 |
| -1 | -5 | -19 | -95 | -107 | -131 | -535 | -655 | -2,033 | -2,489 | -10,165 | -12,445 | -14,017 | -70,085 | -266,323 | -1,331,615 |
Here are some more numbers to try:
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