A:
Positive:
1 x 15070555 x 30141111 x 13700547 x 3206553 x 2843555 x 27401121 x 12455235 x 6413265 x 5687517 x 2915583 x 2585605 x 2491
Negative:
-1 x -1507055-5 x -301411-11 x -137005-47 x -32065-53 x -28435-55 x -27401-121 x -12455-235 x -6413-265 x -5687-517 x -2915-583 x -2585-605 x -2491
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 1,507,055, 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 | 1,507,055 | |
| -1 | -1,507,055 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 1,507,055.
Example:
1 x 1,507,055 = 1,507,055
and
-1 x -1,507,055 = 1,507,055
Notice both answers equal 1,507,055
With that explanation out of the way, let's continue. Next, we take the number 1,507,055 and divide it by 2:
1,507,055 ÷ 2 = 753,527.5
If the quotient is a whole number, then 2 and 753,527.5 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 | 1,507,055 | |
| -1 | -1,507,055 |
Now, we try dividing 1,507,055 by 3:
1,507,055 ÷ 3 = 502,351.6667
If the quotient is a whole number, then 3 and 502,351.6667 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 | 1,507,055 | |
| -1 | -1,507,055 |
Let's try dividing by 4:
1,507,055 ÷ 4 = 376,763.75
If the quotient is a whole number, then 4 and 376,763.75 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 | 1,507,055 | |
| -1 | 1,507,055 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 47 | 53 | 55 | 121 | 235 | 265 | 517 | 583 | 605 | 2,491 | 2,585 | 2,915 | 5,687 | 6,413 | 12,455 | 27,401 | 28,435 | 32,065 | 137,005 | 301,411 | 1,507,055 |
| -1 | -5 | -11 | -47 | -53 | -55 | -121 | -235 | -265 | -517 | -583 | -605 | -2,491 | -2,585 | -2,915 | -5,687 | -6,413 | -12,455 | -27,401 | -28,435 | -32,065 | -137,005 | -301,411 | -1,507,055 |
Here are some more numbers to try:
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