A:
Positive:
1 x 39261955 x 7852397 x 56088513 x 30201535 x 11217765 x 6040391 x 43145455 x 8629
Negative:
-1 x -3926195-5 x -785239-7 x -560885-13 x -302015-35 x -112177-65 x -60403-91 x -43145-455 x -8629
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 3,926,195, 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 | 3,926,195 | |
| -1 | -3,926,195 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 3,926,195.
Example:
1 x 3,926,195 = 3,926,195
and
-1 x -3,926,195 = 3,926,195
Notice both answers equal 3,926,195
With that explanation out of the way, let's continue. Next, we take the number 3,926,195 and divide it by 2:
3,926,195 ÷ 2 = 1,963,097.5
If the quotient is a whole number, then 2 and 1,963,097.5 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 | 3,926,195 | |
| -1 | -3,926,195 |
Now, we try dividing 3,926,195 by 3:
3,926,195 ÷ 3 = 1,308,731.6667
If the quotient is a whole number, then 3 and 1,308,731.6667 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 | 3,926,195 | |
| -1 | -3,926,195 |
Let's try dividing by 4:
3,926,195 ÷ 4 = 981,548.75
If the quotient is a whole number, then 4 and 981,548.75 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 | 3,926,195 | |
| -1 | 3,926,195 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 13 | 35 | 65 | 91 | 455 | 8,629 | 43,145 | 60,403 | 112,177 | 302,015 | 560,885 | 785,239 | 3,926,195 |
| -1 | -5 | -7 | -13 | -35 | -65 | -91 | -455 | -8,629 | -43,145 | -60,403 | -112,177 | -302,015 | -560,885 | -785,239 | -3,926,195 |
Here are some more numbers to try:
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