A:
Positive:
1 x 474647817 x 678068313 x 365113749 x 96866991 x 521591269 x 176449277 x 171353637 x 745131883 x 252071939 x 244793497 x 135733601 x 13181
Negative:
-1 x -47464781-7 x -6780683-13 x -3651137-49 x -968669-91 x -521591-269 x -176449-277 x -171353-637 x -74513-1883 x -25207-1939 x -24479-3497 x -13573-3601 x -13181
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 47,464,781, 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 | 47,464,781 | |
| -1 | -47,464,781 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 47,464,781.
Example:
1 x 47,464,781 = 47,464,781
and
-1 x -47,464,781 = 47,464,781
Notice both answers equal 47,464,781
With that explanation out of the way, let's continue. Next, we take the number 47,464,781 and divide it by 2:
47,464,781 ÷ 2 = 23,732,390.5
If the quotient is a whole number, then 2 and 23,732,390.5 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 | 47,464,781 | |
| -1 | -47,464,781 |
Now, we try dividing 47,464,781 by 3:
47,464,781 ÷ 3 = 15,821,593.6667
If the quotient is a whole number, then 3 and 15,821,593.6667 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 | 47,464,781 | |
| -1 | -47,464,781 |
Let's try dividing by 4:
47,464,781 ÷ 4 = 11,866,195.25
If the quotient is a whole number, then 4 and 11,866,195.25 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 | 47,464,781 | |
| -1 | 47,464,781 |
If you did it right, you will end up with this table:
| 1 | 7 | 13 | 49 | 91 | 269 | 277 | 637 | 1,883 | 1,939 | 3,497 | 3,601 | 13,181 | 13,573 | 24,479 | 25,207 | 74,513 | 171,353 | 176,449 | 521,591 | 968,669 | 3,651,137 | 6,780,683 | 47,464,781 |
| -1 | -7 | -13 | -49 | -91 | -269 | -277 | -637 | -1,883 | -1,939 | -3,497 | -3,601 | -13,181 | -13,573 | -24,479 | -25,207 | -74,513 | -171,353 | -176,449 | -521,591 | -968,669 | -3,651,137 | -6,780,683 | -47,464,781 |
Here are some more numbers to try:
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