A:
Positive:
1 x 40387277 x 57696111 x 36715749 x 8242359 x 6845377 x 52451127 x 31801413 x 9779539 x 7493649 x 6223889 x 45431397 x 2891
Negative:
-1 x -4038727-7 x -576961-11 x -367157-49 x -82423-59 x -68453-77 x -52451-127 x -31801-413 x -9779-539 x -7493-649 x -6223-889 x -4543-1397 x -2891
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 4,038,727, 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 | 4,038,727 | |
| -1 | -4,038,727 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 4,038,727.
Example:
1 x 4,038,727 = 4,038,727
and
-1 x -4,038,727 = 4,038,727
Notice both answers equal 4,038,727
With that explanation out of the way, let's continue. Next, we take the number 4,038,727 and divide it by 2:
4,038,727 ÷ 2 = 2,019,363.5
If the quotient is a whole number, then 2 and 2,019,363.5 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 | 4,038,727 | |
| -1 | -4,038,727 |
Now, we try dividing 4,038,727 by 3:
4,038,727 ÷ 3 = 1,346,242.3333
If the quotient is a whole number, then 3 and 1,346,242.3333 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 | 4,038,727 | |
| -1 | -4,038,727 |
Let's try dividing by 4:
4,038,727 ÷ 4 = 1,009,681.75
If the quotient is a whole number, then 4 and 1,009,681.75 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 | 4,038,727 | |
| -1 | 4,038,727 |
If you did it right, you will end up with this table:
| 1 | 7 | 11 | 49 | 59 | 77 | 127 | 413 | 539 | 649 | 889 | 1,397 | 2,891 | 4,543 | 6,223 | 7,493 | 9,779 | 31,801 | 52,451 | 68,453 | 82,423 | 367,157 | 576,961 | 4,038,727 |
| -1 | -7 | -11 | -49 | -59 | -77 | -127 | -413 | -539 | -649 | -889 | -1,397 | -2,891 | -4,543 | -6,223 | -7,493 | -9,779 | -31,801 | -52,451 | -68,453 | -82,423 | -367,157 | -576,961 | -4,038,727 |
Here are some more numbers to try:
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