A:
Positive:
1 x 1221473355 x 2442946771 x 1720385337 x 362455355 x 3440771021 x 1196351685 x 724915105 x 23927
Negative:
-1 x -122147335-5 x -24429467-71 x -1720385-337 x -362455-355 x -344077-1021 x -119635-1685 x -72491-5105 x -23927
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 122,147,335, 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 | 122,147,335 | |
| -1 | -122,147,335 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 122,147,335.
Example:
1 x 122,147,335 = 122,147,335
and
-1 x -122,147,335 = 122,147,335
Notice both answers equal 122,147,335
With that explanation out of the way, let's continue. Next, we take the number 122,147,335 and divide it by 2:
122,147,335 ÷ 2 = 61,073,667.5
If the quotient is a whole number, then 2 and 61,073,667.5 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 | 122,147,335 | |
| -1 | -122,147,335 |
Now, we try dividing 122,147,335 by 3:
122,147,335 ÷ 3 = 40,715,778.3333
If the quotient is a whole number, then 3 and 40,715,778.3333 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 | 122,147,335 | |
| -1 | -122,147,335 |
Let's try dividing by 4:
122,147,335 ÷ 4 = 30,536,833.75
If the quotient is a whole number, then 4 and 30,536,833.75 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 | 122,147,335 | |
| -1 | 122,147,335 |
If you did it right, you will end up with this table:
| 1 | 5 | 71 | 337 | 355 | 1,021 | 1,685 | 5,105 | 23,927 | 72,491 | 119,635 | 344,077 | 362,455 | 1,720,385 | 24,429,467 | 122,147,335 |
| -1 | -5 | -71 | -337 | -355 | -1,021 | -1,685 | -5,105 | -23,927 | -72,491 | -119,635 | -344,077 | -362,455 | -1,720,385 | -24,429,467 | -122,147,335 |
Here are some more numbers to try:
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