A:
Positive:
1 x 397272711 x 36115737 x 10737143 x 92389227 x 17501407 x 9761473 x 83991591 x 2497
Negative:
-1 x -3972727-11 x -361157-37 x -107371-43 x -92389-227 x -17501-407 x -9761-473 x -8399-1591 x -2497
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 3,972,727, 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 | 3,972,727 | |
| -1 | -3,972,727 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 3,972,727.
Example:
1 x 3,972,727 = 3,972,727
and
-1 x -3,972,727 = 3,972,727
Notice both answers equal 3,972,727
With that explanation out of the way, let's continue. Next, we take the number 3,972,727 and divide it by 2:
3,972,727 ÷ 2 = 1,986,363.5
If the quotient is a whole number, then 2 and 1,986,363.5 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 | 3,972,727 | |
| -1 | -3,972,727 |
Now, we try dividing 3,972,727 by 3:
3,972,727 ÷ 3 = 1,324,242.3333
If the quotient is a whole number, then 3 and 1,324,242.3333 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 | 3,972,727 | |
| -1 | -3,972,727 |
Let's try dividing by 4:
3,972,727 ÷ 4 = 993,181.75
If the quotient is a whole number, then 4 and 993,181.75 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 | 3,972,727 | |
| -1 | 3,972,727 |
If you did it right, you will end up with this table:
| 1 | 11 | 37 | 43 | 227 | 407 | 473 | 1,591 | 2,497 | 8,399 | 9,761 | 17,501 | 92,389 | 107,371 | 361,157 | 3,972,727 |
| -1 | -11 | -37 | -43 | -227 | -407 | -473 | -1,591 | -2,497 | -8,399 | -9,761 | -17,501 | -92,389 | -107,371 | -361,157 | -3,972,727 |
Here are some more numbers to try:
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