A:
Positive:
1 x 1223537913 x 94118323 x 531973151 x 81029271 x 45149299 x 409211963 x 62333473 x 3523
Negative:
-1 x -12235379-13 x -941183-23 x -531973-151 x -81029-271 x -45149-299 x -40921-1963 x -6233-3473 x -3523
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 12,235,379, 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 | 12,235,379 | |
| -1 | -12,235,379 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 12,235,379.
Example:
1 x 12,235,379 = 12,235,379
and
-1 x -12,235,379 = 12,235,379
Notice both answers equal 12,235,379
With that explanation out of the way, let's continue. Next, we take the number 12,235,379 and divide it by 2:
12,235,379 ÷ 2 = 6,117,689.5
If the quotient is a whole number, then 2 and 6,117,689.5 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 | 12,235,379 | |
| -1 | -12,235,379 |
Now, we try dividing 12,235,379 by 3:
12,235,379 ÷ 3 = 4,078,459.6667
If the quotient is a whole number, then 3 and 4,078,459.6667 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 | 12,235,379 | |
| -1 | -12,235,379 |
Let's try dividing by 4:
12,235,379 ÷ 4 = 3,058,844.75
If the quotient is a whole number, then 4 and 3,058,844.75 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 | 12,235,379 | |
| -1 | 12,235,379 |
If you did it right, you will end up with this table:
| 1 | 13 | 23 | 151 | 271 | 299 | 1,963 | 3,473 | 3,523 | 6,233 | 40,921 | 45,149 | 81,029 | 531,973 | 941,183 | 12,235,379 |
| -1 | -13 | -23 | -151 | -271 | -299 | -1,963 | -3,473 | -3,523 | -6,233 | -40,921 | -45,149 | -81,029 | -531,973 | -941,183 | -12,235,379 |
Here are some more numbers to try:
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