A:
Positive:
1 x 38328717 x 54755317 x 22546331 x 123641119 x 32209217 x 17663527 x 72731039 x 3689
Negative:
-1 x -3832871-7 x -547553-17 x -225463-31 x -123641-119 x -32209-217 x -17663-527 x -7273-1039 x -3689
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 3,832,871, 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 | 3,832,871 | |
| -1 | -3,832,871 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 3,832,871.
Example:
1 x 3,832,871 = 3,832,871
and
-1 x -3,832,871 = 3,832,871
Notice both answers equal 3,832,871
With that explanation out of the way, let's continue. Next, we take the number 3,832,871 and divide it by 2:
3,832,871 ÷ 2 = 1,916,435.5
If the quotient is a whole number, then 2 and 1,916,435.5 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 | 3,832,871 | |
| -1 | -3,832,871 |
Now, we try dividing 3,832,871 by 3:
3,832,871 ÷ 3 = 1,277,623.6667
If the quotient is a whole number, then 3 and 1,277,623.6667 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 | 3,832,871 | |
| -1 | -3,832,871 |
Let's try dividing by 4:
3,832,871 ÷ 4 = 958,217.75
If the quotient is a whole number, then 4 and 958,217.75 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 | 3,832,871 | |
| -1 | 3,832,871 |
If you did it right, you will end up with this table:
| 1 | 7 | 17 | 31 | 119 | 217 | 527 | 1,039 | 3,689 | 7,273 | 17,663 | 32,209 | 123,641 | 225,463 | 547,553 | 3,832,871 |
| -1 | -7 | -17 | -31 | -119 | -217 | -527 | -1,039 | -3,689 | -7,273 | -17,663 | -32,209 | -123,641 | -225,463 | -547,553 | -3,832,871 |
Here are some more numbers to try:
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