A:
Positive:
1 x 332104155 x 66420837 x 474434535 x 94886979 x 420385395 x 84077553 x 600552765 x 12011
Negative:
-1 x -33210415-5 x -6642083-7 x -4744345-35 x -948869-79 x -420385-395 x -84077-553 x -60055-2765 x -12011
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 33,210,415, 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 | 33,210,415 | |
| -1 | -33,210,415 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 33,210,415.
Example:
1 x 33,210,415 = 33,210,415
and
-1 x -33,210,415 = 33,210,415
Notice both answers equal 33,210,415
With that explanation out of the way, let's continue. Next, we take the number 33,210,415 and divide it by 2:
33,210,415 ÷ 2 = 16,605,207.5
If the quotient is a whole number, then 2 and 16,605,207.5 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 | 33,210,415 | |
| -1 | -33,210,415 |
Now, we try dividing 33,210,415 by 3:
33,210,415 ÷ 3 = 11,070,138.3333
If the quotient is a whole number, then 3 and 11,070,138.3333 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 | 33,210,415 | |
| -1 | -33,210,415 |
Let's try dividing by 4:
33,210,415 ÷ 4 = 8,302,603.75
If the quotient is a whole number, then 4 and 8,302,603.75 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 | 33,210,415 | |
| -1 | 33,210,415 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 35 | 79 | 395 | 553 | 2,765 | 12,011 | 60,055 | 84,077 | 420,385 | 948,869 | 4,744,345 | 6,642,083 | 33,210,415 |
| -1 | -5 | -7 | -35 | -79 | -395 | -553 | -2,765 | -12,011 | -60,055 | -84,077 | -420,385 | -948,869 | -4,744,345 | -6,642,083 | -33,210,415 |
Here are some more numbers to try:
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