A:
Positive:
1 x 491918355 x 98383677 x 702740511 x 447198535 x 140548149 x 100391555 x 89439777 x 638855245 x 200783385 x 127771539 x 912652695 x 18253
Negative:
-1 x -49191835-5 x -9838367-7 x -7027405-11 x -4471985-35 x -1405481-49 x -1003915-55 x -894397-77 x -638855-245 x -200783-385 x -127771-539 x -91265-2695 x -18253
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 49,191,835, 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 | 49,191,835 | |
| -1 | -49,191,835 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 49,191,835.
Example:
1 x 49,191,835 = 49,191,835
and
-1 x -49,191,835 = 49,191,835
Notice both answers equal 49,191,835
With that explanation out of the way, let's continue. Next, we take the number 49,191,835 and divide it by 2:
49,191,835 ÷ 2 = 24,595,917.5
If the quotient is a whole number, then 2 and 24,595,917.5 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 | 49,191,835 | |
| -1 | -49,191,835 |
Now, we try dividing 49,191,835 by 3:
49,191,835 ÷ 3 = 16,397,278.3333
If the quotient is a whole number, then 3 and 16,397,278.3333 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 | 49,191,835 | |
| -1 | -49,191,835 |
Let's try dividing by 4:
49,191,835 ÷ 4 = 12,297,958.75
If the quotient is a whole number, then 4 and 12,297,958.75 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 | 49,191,835 | |
| -1 | 49,191,835 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 11 | 35 | 49 | 55 | 77 | 245 | 385 | 539 | 2,695 | 18,253 | 91,265 | 127,771 | 200,783 | 638,855 | 894,397 | 1,003,915 | 1,405,481 | 4,471,985 | 7,027,405 | 9,838,367 | 49,191,835 |
| -1 | -5 | -7 | -11 | -35 | -49 | -55 | -77 | -245 | -385 | -539 | -2,695 | -18,253 | -91,265 | -127,771 | -200,783 | -638,855 | -894,397 | -1,003,915 | -1,405,481 | -4,471,985 | -7,027,405 | -9,838,367 | -49,191,835 |
Here are some more numbers to try:
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