A:
Positive:
1 x 217034355 x 434068713 x 166949565 x 333899379 x 57265881 x 246351895 x 114534405 x 4927
Negative:
-1 x -21703435-5 x -4340687-13 x -1669495-65 x -333899-379 x -57265-881 x -24635-1895 x -11453-4405 x -4927
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 21,703,435, 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 | 21,703,435 | |
| -1 | -21,703,435 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 21,703,435.
Example:
1 x 21,703,435 = 21,703,435
and
-1 x -21,703,435 = 21,703,435
Notice both answers equal 21,703,435
With that explanation out of the way, let's continue. Next, we take the number 21,703,435 and divide it by 2:
21,703,435 ÷ 2 = 10,851,717.5
If the quotient is a whole number, then 2 and 10,851,717.5 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 | 21,703,435 | |
| -1 | -21,703,435 |
Now, we try dividing 21,703,435 by 3:
21,703,435 ÷ 3 = 7,234,478.3333
If the quotient is a whole number, then 3 and 7,234,478.3333 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 | 21,703,435 | |
| -1 | -21,703,435 |
Let's try dividing by 4:
21,703,435 ÷ 4 = 5,425,858.75
If the quotient is a whole number, then 4 and 5,425,858.75 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 | 21,703,435 | |
| -1 | 21,703,435 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 65 | 379 | 881 | 1,895 | 4,405 | 4,927 | 11,453 | 24,635 | 57,265 | 333,899 | 1,669,495 | 4,340,687 | 21,703,435 |
| -1 | -5 | -13 | -65 | -379 | -881 | -1,895 | -4,405 | -4,927 | -11,453 | -24,635 | -57,265 | -333,899 | -1,669,495 | -4,340,687 | -21,703,435 |
Here are some more numbers to try:
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