A:
Positive:
1 x 206333155 x 412666389 x 231835199 x 103685233 x 88555445 x 46367995 x 207371165 x 17711
Negative:
-1 x -20633315-5 x -4126663-89 x -231835-199 x -103685-233 x -88555-445 x -46367-995 x -20737-1165 x -17711
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 20,633,315, 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 | 20,633,315 | |
| -1 | -20,633,315 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 20,633,315.
Example:
1 x 20,633,315 = 20,633,315
and
-1 x -20,633,315 = 20,633,315
Notice both answers equal 20,633,315
With that explanation out of the way, let's continue. Next, we take the number 20,633,315 and divide it by 2:
20,633,315 ÷ 2 = 10,316,657.5
If the quotient is a whole number, then 2 and 10,316,657.5 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 | 20,633,315 | |
| -1 | -20,633,315 |
Now, we try dividing 20,633,315 by 3:
20,633,315 ÷ 3 = 6,877,771.6667
If the quotient is a whole number, then 3 and 6,877,771.6667 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 | 20,633,315 | |
| -1 | -20,633,315 |
Let's try dividing by 4:
20,633,315 ÷ 4 = 5,158,328.75
If the quotient is a whole number, then 4 and 5,158,328.75 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 | 20,633,315 | |
| -1 | 20,633,315 |
If you did it right, you will end up with this table:
| 1 | 5 | 89 | 199 | 233 | 445 | 995 | 1,165 | 17,711 | 20,737 | 46,367 | 88,555 | 103,685 | 231,835 | 4,126,663 | 20,633,315 |
| -1 | -5 | -89 | -199 | -233 | -445 | -995 | -1,165 | -17,711 | -20,737 | -46,367 | -88,555 | -103,685 | -231,835 | -4,126,663 | -20,633,315 |
Here are some more numbers to try:
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