A:
Positive:
1 x 508186155 x 1016372323 x 2209505115 x 441901647 x 78545683 x 744053235 x 157093415 x 14881
Negative:
-1 x -50818615-5 x -10163723-23 x -2209505-115 x -441901-647 x -78545-683 x -74405-3235 x -15709-3415 x -14881
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 50,818,615, 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 | 50,818,615 | |
| -1 | -50,818,615 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 50,818,615.
Example:
1 x 50,818,615 = 50,818,615
and
-1 x -50,818,615 = 50,818,615
Notice both answers equal 50,818,615
With that explanation out of the way, let's continue. Next, we take the number 50,818,615 and divide it by 2:
50,818,615 ÷ 2 = 25,409,307.5
If the quotient is a whole number, then 2 and 25,409,307.5 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 | 50,818,615 | |
| -1 | -50,818,615 |
Now, we try dividing 50,818,615 by 3:
50,818,615 ÷ 3 = 16,939,538.3333
If the quotient is a whole number, then 3 and 16,939,538.3333 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 | 50,818,615 | |
| -1 | -50,818,615 |
Let's try dividing by 4:
50,818,615 ÷ 4 = 12,704,653.75
If the quotient is a whole number, then 4 and 12,704,653.75 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 | 50,818,615 | |
| -1 | 50,818,615 |
If you did it right, you will end up with this table:
| 1 | 5 | 23 | 115 | 647 | 683 | 3,235 | 3,415 | 14,881 | 15,709 | 74,405 | 78,545 | 441,901 | 2,209,505 | 10,163,723 | 50,818,615 |
| -1 | -5 | -23 | -115 | -647 | -683 | -3,235 | -3,415 | -14,881 | -15,709 | -74,405 | -78,545 | -441,901 | -2,209,505 | -10,163,723 | -50,818,615 |
Here are some more numbers to try:
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