A:
Positive:
1 x 128835077 x 184050113 x 99103931 x 41559791 x 141577217 x 59371403 x 319692821 x 4567
Negative:
-1 x -12883507-7 x -1840501-13 x -991039-31 x -415597-91 x -141577-217 x -59371-403 x -31969-2821 x -4567
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 12,883,507, 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 | 12,883,507 | |
| -1 | -12,883,507 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 12,883,507.
Example:
1 x 12,883,507 = 12,883,507
and
-1 x -12,883,507 = 12,883,507
Notice both answers equal 12,883,507
With that explanation out of the way, let's continue. Next, we take the number 12,883,507 and divide it by 2:
12,883,507 ÷ 2 = 6,441,753.5
If the quotient is a whole number, then 2 and 6,441,753.5 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 | 12,883,507 | |
| -1 | -12,883,507 |
Now, we try dividing 12,883,507 by 3:
12,883,507 ÷ 3 = 4,294,502.3333
If the quotient is a whole number, then 3 and 4,294,502.3333 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 | 12,883,507 | |
| -1 | -12,883,507 |
Let's try dividing by 4:
12,883,507 ÷ 4 = 3,220,876.75
If the quotient is a whole number, then 4 and 3,220,876.75 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 | 12,883,507 | |
| -1 | 12,883,507 |
If you did it right, you will end up with this table:
| 1 | 7 | 13 | 31 | 91 | 217 | 403 | 2,821 | 4,567 | 31,969 | 59,371 | 141,577 | 415,597 | 991,039 | 1,840,501 | 12,883,507 |
| -1 | -7 | -13 | -31 | -91 | -217 | -403 | -2,821 | -4,567 | -31,969 | -59,371 | -141,577 | -415,597 | -991,039 | -1,840,501 | -12,883,507 |
Here are some more numbers to try:
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