A:
Positive:
1 x 501070155 x 100214037 x 715814535 x 1431629163 x 307405815 x 614811141 x 439155705 x 8783
Negative:
-1 x -50107015-5 x -10021403-7 x -7158145-35 x -1431629-163 x -307405-815 x -61481-1141 x -43915-5705 x -8783
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 50,107,015, 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 | 50,107,015 | |
| -1 | -50,107,015 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 50,107,015.
Example:
1 x 50,107,015 = 50,107,015
and
-1 x -50,107,015 = 50,107,015
Notice both answers equal 50,107,015
With that explanation out of the way, let's continue. Next, we take the number 50,107,015 and divide it by 2:
50,107,015 ÷ 2 = 25,053,507.5
If the quotient is a whole number, then 2 and 25,053,507.5 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 | 50,107,015 | |
| -1 | -50,107,015 |
Now, we try dividing 50,107,015 by 3:
50,107,015 ÷ 3 = 16,702,338.3333
If the quotient is a whole number, then 3 and 16,702,338.3333 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 | 50,107,015 | |
| -1 | -50,107,015 |
Let's try dividing by 4:
50,107,015 ÷ 4 = 12,526,753.75
If the quotient is a whole number, then 4 and 12,526,753.75 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 | 50,107,015 | |
| -1 | 50,107,015 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 35 | 163 | 815 | 1,141 | 5,705 | 8,783 | 43,915 | 61,481 | 307,405 | 1,431,629 | 7,158,145 | 10,021,403 | 50,107,015 |
| -1 | -5 | -7 | -35 | -163 | -815 | -1,141 | -5,705 | -8,783 | -43,915 | -61,481 | -307,405 | -1,431,629 | -7,158,145 | -10,021,403 | -50,107,015 |
Here are some more numbers to try:
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