A:
Positive:
1 x 1244442111 x 113131197 x 128293107 x 116303109 x 1141691067 x 116631177 x 105731199 x 10379
Negative:
-1 x -12444421-11 x -1131311-97 x -128293-107 x -116303-109 x -114169-1067 x -11663-1177 x -10573-1199 x -10379
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 12,444,421, 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 | 12,444,421 | |
| -1 | -12,444,421 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 12,444,421.
Example:
1 x 12,444,421 = 12,444,421
and
-1 x -12,444,421 = 12,444,421
Notice both answers equal 12,444,421
With that explanation out of the way, let's continue. Next, we take the number 12,444,421 and divide it by 2:
12,444,421 ÷ 2 = 6,222,210.5
If the quotient is a whole number, then 2 and 6,222,210.5 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 | 12,444,421 | |
| -1 | -12,444,421 |
Now, we try dividing 12,444,421 by 3:
12,444,421 ÷ 3 = 4,148,140.3333
If the quotient is a whole number, then 3 and 4,148,140.3333 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 | 12,444,421 | |
| -1 | -12,444,421 |
Let's try dividing by 4:
12,444,421 ÷ 4 = 3,111,105.25
If the quotient is a whole number, then 4 and 3,111,105.25 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 | 12,444,421 | |
| -1 | 12,444,421 |
If you did it right, you will end up with this table:
| 1 | 11 | 97 | 107 | 109 | 1,067 | 1,177 | 1,199 | 10,379 | 10,573 | 11,663 | 114,169 | 116,303 | 128,293 | 1,131,311 | 12,444,421 |
| -1 | -11 | -97 | -107 | -109 | -1,067 | -1,177 | -1,199 | -10,379 | -10,573 | -11,663 | -114,169 | -116,303 | -128,293 | -1,131,311 | -12,444,421 |
Here are some more numbers to try:
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