A:
Positive:
1 x 1202442955 x 2404885929 x 4146355145 x 829271439 x 2739051889 x 636552195 x 547819445 x 12731
Negative:
-1 x -120244295-5 x -24048859-29 x -4146355-145 x -829271-439 x -273905-1889 x -63655-2195 x -54781-9445 x -12731
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 120,244,295, 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 | 120,244,295 | |
| -1 | -120,244,295 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 120,244,295.
Example:
1 x 120,244,295 = 120,244,295
and
-1 x -120,244,295 = 120,244,295
Notice both answers equal 120,244,295
With that explanation out of the way, let's continue. Next, we take the number 120,244,295 and divide it by 2:
120,244,295 ÷ 2 = 60,122,147.5
If the quotient is a whole number, then 2 and 60,122,147.5 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 | 120,244,295 | |
| -1 | -120,244,295 |
Now, we try dividing 120,244,295 by 3:
120,244,295 ÷ 3 = 40,081,431.6667
If the quotient is a whole number, then 3 and 40,081,431.6667 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 | 120,244,295 | |
| -1 | -120,244,295 |
Let's try dividing by 4:
120,244,295 ÷ 4 = 30,061,073.75
If the quotient is a whole number, then 4 and 30,061,073.75 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 | 120,244,295 | |
| -1 | 120,244,295 |
If you did it right, you will end up with this table:
| 1 | 5 | 29 | 145 | 439 | 1,889 | 2,195 | 9,445 | 12,731 | 54,781 | 63,655 | 273,905 | 829,271 | 4,146,355 | 24,048,859 | 120,244,295 |
| -1 | -5 | -29 | -145 | -439 | -1,889 | -2,195 | -9,445 | -12,731 | -54,781 | -63,655 | -273,905 | -829,271 | -4,146,355 | -24,048,859 | -120,244,295 |
Here are some more numbers to try:
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