A:
Positive:
1 x 122503555 x 245007113 x 94233565 x 188467229 x 53495823 x 148851145 x 106992977 x 4115
Negative:
-1 x -12250355-5 x -2450071-13 x -942335-65 x -188467-229 x -53495-823 x -14885-1145 x -10699-2977 x -4115
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 12,250,355, 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 | 12,250,355 | |
| -1 | -12,250,355 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 12,250,355.
Example:
1 x 12,250,355 = 12,250,355
and
-1 x -12,250,355 = 12,250,355
Notice both answers equal 12,250,355
With that explanation out of the way, let's continue. Next, we take the number 12,250,355 and divide it by 2:
12,250,355 ÷ 2 = 6,125,177.5
If the quotient is a whole number, then 2 and 6,125,177.5 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 | 12,250,355 | |
| -1 | -12,250,355 |
Now, we try dividing 12,250,355 by 3:
12,250,355 ÷ 3 = 4,083,451.6667
If the quotient is a whole number, then 3 and 4,083,451.6667 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 | 12,250,355 | |
| -1 | -12,250,355 |
Let's try dividing by 4:
12,250,355 ÷ 4 = 3,062,588.75
If the quotient is a whole number, then 4 and 3,062,588.75 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 | 12,250,355 | |
| -1 | 12,250,355 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 65 | 229 | 823 | 1,145 | 2,977 | 4,115 | 10,699 | 14,885 | 53,495 | 188,467 | 942,335 | 2,450,071 | 12,250,355 |
| -1 | -5 | -13 | -65 | -229 | -823 | -1,145 | -2,977 | -4,115 | -10,699 | -14,885 | -53,495 | -188,467 | -942,335 | -2,450,071 | -12,250,355 |
Here are some more numbers to try:
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