A:
Positive:
1 x 25279317 x 36113319 x 13304983 x 30457133 x 19007229 x 11039581 x 43511577 x 1603
Negative:
-1 x -2527931-7 x -361133-19 x -133049-83 x -30457-133 x -19007-229 x -11039-581 x -4351-1577 x -1603
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 2,527,931, 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 | 2,527,931 | |
| -1 | -2,527,931 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 2,527,931.
Example:
1 x 2,527,931 = 2,527,931
and
-1 x -2,527,931 = 2,527,931
Notice both answers equal 2,527,931
With that explanation out of the way, let's continue. Next, we take the number 2,527,931 and divide it by 2:
2,527,931 ÷ 2 = 1,263,965.5
If the quotient is a whole number, then 2 and 1,263,965.5 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 | 2,527,931 | |
| -1 | -2,527,931 |
Now, we try dividing 2,527,931 by 3:
2,527,931 ÷ 3 = 842,643.6667
If the quotient is a whole number, then 3 and 842,643.6667 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 | 2,527,931 | |
| -1 | -2,527,931 |
Let's try dividing by 4:
2,527,931 ÷ 4 = 631,982.75
If the quotient is a whole number, then 4 and 631,982.75 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 | 2,527,931 | |
| -1 | 2,527,931 |
If you did it right, you will end up with this table:
| 1 | 7 | 19 | 83 | 133 | 229 | 581 | 1,577 | 1,603 | 4,351 | 11,039 | 19,007 | 30,457 | 133,049 | 361,133 | 2,527,931 |
| -1 | -7 | -19 | -83 | -133 | -229 | -581 | -1,577 | -1,603 | -4,351 | -11,039 | -19,007 | -30,457 | -133,049 | -361,133 | -2,527,931 |
Here are some more numbers to try:
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