A:
Positive:
1 x 10388955 x 20777911 x 9444513 x 7991555 x 1888965 x 15983143 x 7265715 x 1453
Negative:
-1 x -1038895-5 x -207779-11 x -94445-13 x -79915-55 x -18889-65 x -15983-143 x -7265-715 x -1453
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 1,038,895, 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 | 1,038,895 | |
| -1 | -1,038,895 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 1,038,895.
Example:
1 x 1,038,895 = 1,038,895
and
-1 x -1,038,895 = 1,038,895
Notice both answers equal 1,038,895
With that explanation out of the way, let's continue. Next, we take the number 1,038,895 and divide it by 2:
1,038,895 ÷ 2 = 519,447.5
If the quotient is a whole number, then 2 and 519,447.5 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 | 1,038,895 | |
| -1 | -1,038,895 |
Now, we try dividing 1,038,895 by 3:
1,038,895 ÷ 3 = 346,298.3333
If the quotient is a whole number, then 3 and 346,298.3333 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 | 1,038,895 | |
| -1 | -1,038,895 |
Let's try dividing by 4:
1,038,895 ÷ 4 = 259,723.75
If the quotient is a whole number, then 4 and 259,723.75 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 | 1,038,895 | |
| -1 | 1,038,895 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 13 | 55 | 65 | 143 | 715 | 1,453 | 7,265 | 15,983 | 18,889 | 79,915 | 94,445 | 207,779 | 1,038,895 |
| -1 | -5 | -11 | -13 | -55 | -65 | -143 | -715 | -1,453 | -7,265 | -15,983 | -18,889 | -79,915 | -94,445 | -207,779 | -1,038,895 |
Here are some more numbers to try:
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