A:
Positive:
1 x 19211586767 x 286740183 x 2314649179 x 1073273193 x 9954195561 x 3454711993 x 1601912931 x 14857
Negative:
-1 x -192115867-67 x -2867401-83 x -2314649-179 x -1073273-193 x -995419-5561 x -34547-11993 x -16019-12931 x -14857
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 192,115,867, 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 | 192,115,867 | |
| -1 | -192,115,867 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 192,115,867.
Example:
1 x 192,115,867 = 192,115,867
and
-1 x -192,115,867 = 192,115,867
Notice both answers equal 192,115,867
With that explanation out of the way, let's continue. Next, we take the number 192,115,867 and divide it by 2:
192,115,867 ÷ 2 = 96,057,933.5
If the quotient is a whole number, then 2 and 96,057,933.5 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 | 192,115,867 | |
| -1 | -192,115,867 |
Now, we try dividing 192,115,867 by 3:
192,115,867 ÷ 3 = 64,038,622.3333
If the quotient is a whole number, then 3 and 64,038,622.3333 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 | 192,115,867 | |
| -1 | -192,115,867 |
Let's try dividing by 4:
192,115,867 ÷ 4 = 48,028,966.75
If the quotient is a whole number, then 4 and 48,028,966.75 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 | 192,115,867 | |
| -1 | 192,115,867 |
If you did it right, you will end up with this table:
| 1 | 67 | 83 | 179 | 193 | 5,561 | 11,993 | 12,931 | 14,857 | 16,019 | 34,547 | 995,419 | 1,073,273 | 2,314,649 | 2,867,401 | 192,115,867 |
| -1 | -67 | -83 | -179 | -193 | -5,561 | -11,993 | -12,931 | -14,857 | -16,019 | -34,547 | -995,419 | -1,073,273 | -2,314,649 | -2,867,401 | -192,115,867 |
Here are some more numbers to try:
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