A:
Positive:
1 x 33307255 x 66614517 x 19592525 x 13322985 x 39185289 x 11525425 x 7837461 x 72251445 x 2305
Negative:
-1 x -3330725-5 x -666145-17 x -195925-25 x -133229-85 x -39185-289 x -11525-425 x -7837-461 x -7225-1445 x -2305
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 3,330,725, 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 | 3,330,725 | |
| -1 | -3,330,725 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 3,330,725.
Example:
1 x 3,330,725 = 3,330,725
and
-1 x -3,330,725 = 3,330,725
Notice both answers equal 3,330,725
With that explanation out of the way, let's continue. Next, we take the number 3,330,725 and divide it by 2:
3,330,725 ÷ 2 = 1,665,362.5
If the quotient is a whole number, then 2 and 1,665,362.5 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 | 3,330,725 | |
| -1 | -3,330,725 |
Now, we try dividing 3,330,725 by 3:
3,330,725 ÷ 3 = 1,110,241.6667
If the quotient is a whole number, then 3 and 1,110,241.6667 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 | 3,330,725 | |
| -1 | -3,330,725 |
Let's try dividing by 4:
3,330,725 ÷ 4 = 832,681.25
If the quotient is a whole number, then 4 and 832,681.25 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 | 3,330,725 | |
| -1 | 3,330,725 |
If you did it right, you will end up with this table:
| 1 | 5 | 17 | 25 | 85 | 289 | 425 | 461 | 1,445 | 2,305 | 7,225 | 7,837 | 11,525 | 39,185 | 133,229 | 195,925 | 666,145 | 3,330,725 |
| -1 | -5 | -17 | -25 | -85 | -289 | -425 | -461 | -1,445 | -2,305 | -7,225 | -7,837 | -11,525 | -39,185 | -133,229 | -195,925 | -666,145 | -3,330,725 |
Here are some more numbers to try:
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