A:
Positive:
1 x 39032655 x 78065319 x 20543595 x 41087181 x 21565227 x 17195905 x 43131135 x 3439
Negative:
-1 x -3903265-5 x -780653-19 x -205435-95 x -41087-181 x -21565-227 x -17195-905 x -4313-1135 x -3439
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 3,903,265, 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 | 3,903,265 | |
| -1 | -3,903,265 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 3,903,265.
Example:
1 x 3,903,265 = 3,903,265
and
-1 x -3,903,265 = 3,903,265
Notice both answers equal 3,903,265
With that explanation out of the way, let's continue. Next, we take the number 3,903,265 and divide it by 2:
3,903,265 ÷ 2 = 1,951,632.5
If the quotient is a whole number, then 2 and 1,951,632.5 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 | 3,903,265 | |
| -1 | -3,903,265 |
Now, we try dividing 3,903,265 by 3:
3,903,265 ÷ 3 = 1,301,088.3333
If the quotient is a whole number, then 3 and 1,301,088.3333 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 | 3,903,265 | |
| -1 | -3,903,265 |
Let's try dividing by 4:
3,903,265 ÷ 4 = 975,816.25
If the quotient is a whole number, then 4 and 975,816.25 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 | 3,903,265 | |
| -1 | 3,903,265 |
If you did it right, you will end up with this table:
| 1 | 5 | 19 | 95 | 181 | 227 | 905 | 1,135 | 3,439 | 4,313 | 17,195 | 21,565 | 41,087 | 205,435 | 780,653 | 3,903,265 |
| -1 | -5 | -19 | -95 | -181 | -227 | -905 | -1,135 | -3,439 | -4,313 | -17,195 | -21,565 | -41,087 | -205,435 | -780,653 | -3,903,265 |
Here are some more numbers to try:
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