A:
Positive:
1 x 74884874911 x 6807715961 x 1227620967 x 11176847671 x 1116019737 x 10160774087 x 18322716657 x 44957
Negative:
-1 x -748848749-11 x -68077159-61 x -12276209-67 x -11176847-671 x -1116019-737 x -1016077-4087 x -183227-16657 x -44957
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 748,848,749, 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 | 748,848,749 | |
| -1 | -748,848,749 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 748,848,749.
Example:
1 x 748,848,749 = 748,848,749
and
-1 x -748,848,749 = 748,848,749
Notice both answers equal 748,848,749
With that explanation out of the way, let's continue. Next, we take the number 748,848,749 and divide it by 2:
748,848,749 ÷ 2 = 374,424,374.5
If the quotient is a whole number, then 2 and 374,424,374.5 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 | 748,848,749 | |
| -1 | -748,848,749 |
Now, we try dividing 748,848,749 by 3:
748,848,749 ÷ 3 = 249,616,249.6667
If the quotient is a whole number, then 3 and 249,616,249.6667 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 | 748,848,749 | |
| -1 | -748,848,749 |
Let's try dividing by 4:
748,848,749 ÷ 4 = 187,212,187.25
If the quotient is a whole number, then 4 and 187,212,187.25 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 | 748,848,749 | |
| -1 | 748,848,749 |
If you did it right, you will end up with this table:
| 1 | 11 | 61 | 67 | 671 | 737 | 4,087 | 16,657 | 44,957 | 183,227 | 1,016,077 | 1,116,019 | 11,176,847 | 12,276,209 | 68,077,159 | 748,848,749 |
| -1 | -11 | -61 | -67 | -671 | -737 | -4,087 | -16,657 | -44,957 | -183,227 | -1,016,077 | -1,116,019 | -11,176,847 | -12,276,209 | -68,077,159 | -748,848,749 |
Here are some more numbers to try:
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