A:
Positive:
1 x 122324155 x 244648313 x 94095565 x 188191307 x 39845613 x 199551535 x 79693065 x 3991
Negative:
-1 x -12232415-5 x -2446483-13 x -940955-65 x -188191-307 x -39845-613 x -19955-1535 x -7969-3065 x -3991
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 12,232,415, 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 | 12,232,415 | |
| -1 | -12,232,415 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 12,232,415.
Example:
1 x 12,232,415 = 12,232,415
and
-1 x -12,232,415 = 12,232,415
Notice both answers equal 12,232,415
With that explanation out of the way, let's continue. Next, we take the number 12,232,415 and divide it by 2:
12,232,415 ÷ 2 = 6,116,207.5
If the quotient is a whole number, then 2 and 6,116,207.5 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 | 12,232,415 | |
| -1 | -12,232,415 |
Now, we try dividing 12,232,415 by 3:
12,232,415 ÷ 3 = 4,077,471.6667
If the quotient is a whole number, then 3 and 4,077,471.6667 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 | 12,232,415 | |
| -1 | -12,232,415 |
Let's try dividing by 4:
12,232,415 ÷ 4 = 3,058,103.75
If the quotient is a whole number, then 4 and 3,058,103.75 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 | 12,232,415 | |
| -1 | 12,232,415 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 65 | 307 | 613 | 1,535 | 3,065 | 3,991 | 7,969 | 19,955 | 39,845 | 188,191 | 940,955 | 2,446,483 | 12,232,415 |
| -1 | -5 | -13 | -65 | -307 | -613 | -1,535 | -3,065 | -3,991 | -7,969 | -19,955 | -39,845 | -188,191 | -940,955 | -2,446,483 | -12,232,415 |
Here are some more numbers to try:
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