A:
Positive:
1 x 12288387111 x 1117126117 x 722846323 x 5342777187 x 657133253 x 485707391 x 3142814301 x 28571
Negative:
-1 x -122883871-11 x -11171261-17 x -7228463-23 x -5342777-187 x -657133-253 x -485707-391 x -314281-4301 x -28571
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 122,883,871, 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 | 122,883,871 | |
| -1 | -122,883,871 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 122,883,871.
Example:
1 x 122,883,871 = 122,883,871
and
-1 x -122,883,871 = 122,883,871
Notice both answers equal 122,883,871
With that explanation out of the way, let's continue. Next, we take the number 122,883,871 and divide it by 2:
122,883,871 ÷ 2 = 61,441,935.5
If the quotient is a whole number, then 2 and 61,441,935.5 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 | 122,883,871 | |
| -1 | -122,883,871 |
Now, we try dividing 122,883,871 by 3:
122,883,871 ÷ 3 = 40,961,290.3333
If the quotient is a whole number, then 3 and 40,961,290.3333 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 | 122,883,871 | |
| -1 | -122,883,871 |
Let's try dividing by 4:
122,883,871 ÷ 4 = 30,720,967.75
If the quotient is a whole number, then 4 and 30,720,967.75 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 | 122,883,871 | |
| -1 | 122,883,871 |
If you did it right, you will end up with this table:
| 1 | 11 | 17 | 23 | 187 | 253 | 391 | 4,301 | 28,571 | 314,281 | 485,707 | 657,133 | 5,342,777 | 7,228,463 | 11,171,261 | 122,883,871 |
| -1 | -11 | -17 | -23 | -187 | -253 | -391 | -4,301 | -28,571 | -314,281 | -485,707 | -657,133 | -5,342,777 | -7,228,463 | -11,171,261 | -122,883,871 |
Here are some more numbers to try:
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