A:
Positive:
1 x 123200355 x 24640077 x 176000513 x 94769535 x 35200165 x 18953991 x 135385455 x 27077
Negative:
-1 x -12320035-5 x -2464007-7 x -1760005-13 x -947695-35 x -352001-65 x -189539-91 x -135385-455 x -27077
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 12,320,035, 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 | 12,320,035 | |
| -1 | -12,320,035 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 12,320,035.
Example:
1 x 12,320,035 = 12,320,035
and
-1 x -12,320,035 = 12,320,035
Notice both answers equal 12,320,035
With that explanation out of the way, let's continue. Next, we take the number 12,320,035 and divide it by 2:
12,320,035 ÷ 2 = 6,160,017.5
If the quotient is a whole number, then 2 and 6,160,017.5 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 | 12,320,035 | |
| -1 | -12,320,035 |
Now, we try dividing 12,320,035 by 3:
12,320,035 ÷ 3 = 4,106,678.3333
If the quotient is a whole number, then 3 and 4,106,678.3333 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 | 12,320,035 | |
| -1 | -12,320,035 |
Let's try dividing by 4:
12,320,035 ÷ 4 = 3,080,008.75
If the quotient is a whole number, then 4 and 3,080,008.75 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 | 12,320,035 | |
| -1 | 12,320,035 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 13 | 35 | 65 | 91 | 455 | 27,077 | 135,385 | 189,539 | 352,001 | 947,695 | 1,760,005 | 2,464,007 | 12,320,035 |
| -1 | -5 | -7 | -13 | -35 | -65 | -91 | -455 | -27,077 | -135,385 | -189,539 | -352,001 | -947,695 | -1,760,005 | -2,464,007 | -12,320,035 |
Here are some more numbers to try:
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