A:
Positive:
1 x 124152355 x 24830477 x 177360535 x 354721229 x 542151145 x 108431549 x 80151603 x 7745
Negative:
-1 x -12415235-5 x -2483047-7 x -1773605-35 x -354721-229 x -54215-1145 x -10843-1549 x -8015-1603 x -7745
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 12,415,235, 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 | 12,415,235 | |
| -1 | -12,415,235 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 12,415,235.
Example:
1 x 12,415,235 = 12,415,235
and
-1 x -12,415,235 = 12,415,235
Notice both answers equal 12,415,235
With that explanation out of the way, let's continue. Next, we take the number 12,415,235 and divide it by 2:
12,415,235 ÷ 2 = 6,207,617.5
If the quotient is a whole number, then 2 and 6,207,617.5 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 | 12,415,235 | |
| -1 | -12,415,235 |
Now, we try dividing 12,415,235 by 3:
12,415,235 ÷ 3 = 4,138,411.6667
If the quotient is a whole number, then 3 and 4,138,411.6667 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 | 12,415,235 | |
| -1 | -12,415,235 |
Let's try dividing by 4:
12,415,235 ÷ 4 = 3,103,808.75
If the quotient is a whole number, then 4 and 3,103,808.75 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 | 12,415,235 | |
| -1 | 12,415,235 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 35 | 229 | 1,145 | 1,549 | 1,603 | 7,745 | 8,015 | 10,843 | 54,215 | 354,721 | 1,773,605 | 2,483,047 | 12,415,235 |
| -1 | -5 | -7 | -35 | -229 | -1,145 | -1,549 | -1,603 | -7,745 | -8,015 | -10,843 | -54,215 | -354,721 | -1,773,605 | -2,483,047 | -12,415,235 |
Here are some more numbers to try:
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