A:
Positive:
1 x 12014332719 x 632333347 x 255624173 x 164579997 x 1238591361 x 332807893 x 1345391387 x 866211843 x 651893431 x 350174559 x 263537081 x 16967
Negative:
-1 x -120143327-19 x -6323333-47 x -2556241-73 x -1645799-97 x -1238591-361 x -332807-893 x -134539-1387 x -86621-1843 x -65189-3431 x -35017-4559 x -26353-7081 x -16967
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 120,143,327, 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 | 120,143,327 | |
| -1 | -120,143,327 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 120,143,327.
Example:
1 x 120,143,327 = 120,143,327
and
-1 x -120,143,327 = 120,143,327
Notice both answers equal 120,143,327
With that explanation out of the way, let's continue. Next, we take the number 120,143,327 and divide it by 2:
120,143,327 ÷ 2 = 60,071,663.5
If the quotient is a whole number, then 2 and 60,071,663.5 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 | 120,143,327 | |
| -1 | -120,143,327 |
Now, we try dividing 120,143,327 by 3:
120,143,327 ÷ 3 = 40,047,775.6667
If the quotient is a whole number, then 3 and 40,047,775.6667 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 | 120,143,327 | |
| -1 | -120,143,327 |
Let's try dividing by 4:
120,143,327 ÷ 4 = 30,035,831.75
If the quotient is a whole number, then 4 and 30,035,831.75 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 | 120,143,327 | |
| -1 | 120,143,327 |
If you did it right, you will end up with this table:
| 1 | 19 | 47 | 73 | 97 | 361 | 893 | 1,387 | 1,843 | 3,431 | 4,559 | 7,081 | 16,967 | 26,353 | 35,017 | 65,189 | 86,621 | 134,539 | 332,807 | 1,238,591 | 1,645,799 | 2,556,241 | 6,323,333 | 120,143,327 |
| -1 | -19 | -47 | -73 | -97 | -361 | -893 | -1,387 | -1,843 | -3,431 | -4,559 | -7,081 | -16,967 | -26,353 | -35,017 | -65,189 | -86,621 | -134,539 | -332,807 | -1,238,591 | -1,645,799 | -2,556,241 | -6,323,333 | -120,143,327 |
Here are some more numbers to try:
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