A:
Positive:
1 x 1220044111 x 110913117 x 71767353 x 230197187 x 65243583 x 20927901 x 135411231 x 9911
Negative:
-1 x -12200441-11 x -1109131-17 x -717673-53 x -230197-187 x -65243-583 x -20927-901 x -13541-1231 x -9911
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 12,200,441, 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 | 12,200,441 | |
| -1 | -12,200,441 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 12,200,441.
Example:
1 x 12,200,441 = 12,200,441
and
-1 x -12,200,441 = 12,200,441
Notice both answers equal 12,200,441
With that explanation out of the way, let's continue. Next, we take the number 12,200,441 and divide it by 2:
12,200,441 ÷ 2 = 6,100,220.5
If the quotient is a whole number, then 2 and 6,100,220.5 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 | 12,200,441 | |
| -1 | -12,200,441 |
Now, we try dividing 12,200,441 by 3:
12,200,441 ÷ 3 = 4,066,813.6667
If the quotient is a whole number, then 3 and 4,066,813.6667 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 | 12,200,441 | |
| -1 | -12,200,441 |
Let's try dividing by 4:
12,200,441 ÷ 4 = 3,050,110.25
If the quotient is a whole number, then 4 and 3,050,110.25 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 | 12,200,441 | |
| -1 | 12,200,441 |
If you did it right, you will end up with this table:
| 1 | 11 | 17 | 53 | 187 | 583 | 901 | 1,231 | 9,911 | 13,541 | 20,927 | 65,243 | 230,197 | 717,673 | 1,109,131 | 12,200,441 |
| -1 | -11 | -17 | -53 | -187 | -583 | -901 | -1,231 | -9,911 | -13,541 | -20,927 | -65,243 | -230,197 | -717,673 | -1,109,131 | -12,200,441 |
Here are some more numbers to try:
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