A:
Positive:
1 x 1225525217 x 1750750313 x 942711729 x 422594991 x 1346731203 x 603707377 x 3250732639 x 46439
Negative:
-1 x -122552521-7 x -17507503-13 x -9427117-29 x -4225949-91 x -1346731-203 x -603707-377 x -325073-2639 x -46439
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 122,552,521, 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 | 122,552,521 | |
| -1 | -122,552,521 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 122,552,521.
Example:
1 x 122,552,521 = 122,552,521
and
-1 x -122,552,521 = 122,552,521
Notice both answers equal 122,552,521
With that explanation out of the way, let's continue. Next, we take the number 122,552,521 and divide it by 2:
122,552,521 ÷ 2 = 61,276,260.5
If the quotient is a whole number, then 2 and 61,276,260.5 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 | 122,552,521 | |
| -1 | -122,552,521 |
Now, we try dividing 122,552,521 by 3:
122,552,521 ÷ 3 = 40,850,840.3333
If the quotient is a whole number, then 3 and 40,850,840.3333 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 | 122,552,521 | |
| -1 | -122,552,521 |
Let's try dividing by 4:
122,552,521 ÷ 4 = 30,638,130.25
If the quotient is a whole number, then 4 and 30,638,130.25 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 | 122,552,521 | |
| -1 | 122,552,521 |
If you did it right, you will end up with this table:
| 1 | 7 | 13 | 29 | 91 | 203 | 377 | 2,639 | 46,439 | 325,073 | 603,707 | 1,346,731 | 4,225,949 | 9,427,117 | 17,507,503 | 122,552,521 |
| -1 | -7 | -13 | -29 | -91 | -203 | -377 | -2,639 | -46,439 | -325,073 | -603,707 | -1,346,731 | -4,225,949 | -9,427,117 | -17,507,503 | -122,552,521 |
Here are some more numbers to try:
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