A:
Positive:
1 x 4814327217 x 6877610311 x 4376661167 x 718556377 x 6252373469 x 1026509737 x 6532335159 x 93319
Negative:
-1 x -481432721-7 x -68776103-11 x -43766611-67 x -7185563-77 x -6252373-469 x -1026509-737 x -653233-5159 x -93319
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 481,432,721, 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 | 481,432,721 | |
| -1 | -481,432,721 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 481,432,721.
Example:
1 x 481,432,721 = 481,432,721
and
-1 x -481,432,721 = 481,432,721
Notice both answers equal 481,432,721
With that explanation out of the way, let's continue. Next, we take the number 481,432,721 and divide it by 2:
481,432,721 ÷ 2 = 240,716,360.5
If the quotient is a whole number, then 2 and 240,716,360.5 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 | 481,432,721 | |
| -1 | -481,432,721 |
Now, we try dividing 481,432,721 by 3:
481,432,721 ÷ 3 = 160,477,573.6667
If the quotient is a whole number, then 3 and 160,477,573.6667 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 | 481,432,721 | |
| -1 | -481,432,721 |
Let's try dividing by 4:
481,432,721 ÷ 4 = 120,358,180.25
If the quotient is a whole number, then 4 and 120,358,180.25 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 | 481,432,721 | |
| -1 | 481,432,721 |
If you did it right, you will end up with this table:
| 1 | 7 | 11 | 67 | 77 | 469 | 737 | 5,159 | 93,319 | 653,233 | 1,026,509 | 6,252,373 | 7,185,563 | 43,766,611 | 68,776,103 | 481,432,721 |
| -1 | -7 | -11 | -67 | -77 | -469 | -737 | -5,159 | -93,319 | -653,233 | -1,026,509 | -6,252,373 | -7,185,563 | -43,766,611 | -68,776,103 | -481,432,721 |
Here are some more numbers to try:
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