A:
Positive:
1 x 507163855 x 1014327741 x 123698573 x 694745205 x 247397365 x 1389492993 x 169453389 x 14965
Negative:
-1 x -50716385-5 x -10143277-41 x -1236985-73 x -694745-205 x -247397-365 x -138949-2993 x -16945-3389 x -14965
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 50,716,385, 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 | 50,716,385 | |
| -1 | -50,716,385 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 50,716,385.
Example:
1 x 50,716,385 = 50,716,385
and
-1 x -50,716,385 = 50,716,385
Notice both answers equal 50,716,385
With that explanation out of the way, let's continue. Next, we take the number 50,716,385 and divide it by 2:
50,716,385 ÷ 2 = 25,358,192.5
If the quotient is a whole number, then 2 and 25,358,192.5 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 | 50,716,385 | |
| -1 | -50,716,385 |
Now, we try dividing 50,716,385 by 3:
50,716,385 ÷ 3 = 16,905,461.6667
If the quotient is a whole number, then 3 and 16,905,461.6667 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 | 50,716,385 | |
| -1 | -50,716,385 |
Let's try dividing by 4:
50,716,385 ÷ 4 = 12,679,096.25
If the quotient is a whole number, then 4 and 12,679,096.25 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 | 50,716,385 | |
| -1 | 50,716,385 |
If you did it right, you will end up with this table:
| 1 | 5 | 41 | 73 | 205 | 365 | 2,993 | 3,389 | 14,965 | 16,945 | 138,949 | 247,397 | 694,745 | 1,236,985 | 10,143,277 | 50,716,385 |
| -1 | -5 | -41 | -73 | -205 | -365 | -2,993 | -3,389 | -14,965 | -16,945 | -138,949 | -247,397 | -694,745 | -1,236,985 | -10,143,277 | -50,716,385 |
Here are some more numbers to try:
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