A:
Positive:
1 x 162311755 x 324623517 x 95477525 x 64924785 x 190955181 x 89675211 x 76925425 x 38191905 x 179351055 x 153853077 x 52753587 x 4525
Negative:
-1 x -16231175-5 x -3246235-17 x -954775-25 x -649247-85 x -190955-181 x -89675-211 x -76925-425 x -38191-905 x -17935-1055 x -15385-3077 x -5275-3587 x -4525
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 16,231,175, 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 | 16,231,175 | |
| -1 | -16,231,175 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 16,231,175.
Example:
1 x 16,231,175 = 16,231,175
and
-1 x -16,231,175 = 16,231,175
Notice both answers equal 16,231,175
With that explanation out of the way, let's continue. Next, we take the number 16,231,175 and divide it by 2:
16,231,175 ÷ 2 = 8,115,587.5
If the quotient is a whole number, then 2 and 8,115,587.5 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 | 16,231,175 | |
| -1 | -16,231,175 |
Now, we try dividing 16,231,175 by 3:
16,231,175 ÷ 3 = 5,410,391.6667
If the quotient is a whole number, then 3 and 5,410,391.6667 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 | 16,231,175 | |
| -1 | -16,231,175 |
Let's try dividing by 4:
16,231,175 ÷ 4 = 4,057,793.75
If the quotient is a whole number, then 4 and 4,057,793.75 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 | 16,231,175 | |
| -1 | 16,231,175 |
If you did it right, you will end up with this table:
| 1 | 5 | 17 | 25 | 85 | 181 | 211 | 425 | 905 | 1,055 | 3,077 | 3,587 | 4,525 | 5,275 | 15,385 | 17,935 | 38,191 | 76,925 | 89,675 | 190,955 | 649,247 | 954,775 | 3,246,235 | 16,231,175 |
| -1 | -5 | -17 | -25 | -85 | -181 | -211 | -425 | -905 | -1,055 | -3,077 | -3,587 | -4,525 | -5,275 | -15,385 | -17,935 | -38,191 | -76,925 | -89,675 | -190,955 | -649,247 | -954,775 | -3,246,235 | -16,231,175 |
Here are some more numbers to try:
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