A:
Positive:
1 x 5068503123 x 220369731 x 163500167 x 756493713 x 710871061 x 477711541 x 328912077 x 24403
Negative:
-1 x -50685031-23 x -2203697-31 x -1635001-67 x -756493-713 x -71087-1061 x -47771-1541 x -32891-2077 x -24403
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 50,685,031, 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 | 50,685,031 | |
| -1 | -50,685,031 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 50,685,031.
Example:
1 x 50,685,031 = 50,685,031
and
-1 x -50,685,031 = 50,685,031
Notice both answers equal 50,685,031
With that explanation out of the way, let's continue. Next, we take the number 50,685,031 and divide it by 2:
50,685,031 ÷ 2 = 25,342,515.5
If the quotient is a whole number, then 2 and 25,342,515.5 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 | 50,685,031 | |
| -1 | -50,685,031 |
Now, we try dividing 50,685,031 by 3:
50,685,031 ÷ 3 = 16,895,010.3333
If the quotient is a whole number, then 3 and 16,895,010.3333 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 | 50,685,031 | |
| -1 | -50,685,031 |
Let's try dividing by 4:
50,685,031 ÷ 4 = 12,671,257.75
If the quotient is a whole number, then 4 and 12,671,257.75 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 | 50,685,031 | |
| -1 | 50,685,031 |
If you did it right, you will end up with this table:
| 1 | 23 | 31 | 67 | 713 | 1,061 | 1,541 | 2,077 | 24,403 | 32,891 | 47,771 | 71,087 | 756,493 | 1,635,001 | 2,203,697 | 50,685,031 |
| -1 | -23 | -31 | -67 | -713 | -1,061 | -1,541 | -2,077 | -24,403 | -32,891 | -47,771 | -71,087 | -756,493 | -1,635,001 | -2,203,697 | -50,685,031 |
Here are some more numbers to try:
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