A:
Positive:
1 x 4627808755 x 9255617525 x 18511235125 x 3702247269 x 17203751345 x 3440756725 x 6881513763 x 33625
Negative:
-1 x -462780875-5 x -92556175-25 x -18511235-125 x -3702247-269 x -1720375-1345 x -344075-6725 x -68815-13763 x -33625
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 462,780,875, 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 | 462,780,875 | |
| -1 | -462,780,875 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 462,780,875.
Example:
1 x 462,780,875 = 462,780,875
and
-1 x -462,780,875 = 462,780,875
Notice both answers equal 462,780,875
With that explanation out of the way, let's continue. Next, we take the number 462,780,875 and divide it by 2:
462,780,875 ÷ 2 = 231,390,437.5
If the quotient is a whole number, then 2 and 231,390,437.5 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 | 462,780,875 | |
| -1 | -462,780,875 |
Now, we try dividing 462,780,875 by 3:
462,780,875 ÷ 3 = 154,260,291.6667
If the quotient is a whole number, then 3 and 154,260,291.6667 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 | 462,780,875 | |
| -1 | -462,780,875 |
Let's try dividing by 4:
462,780,875 ÷ 4 = 115,695,218.75
If the quotient is a whole number, then 4 and 115,695,218.75 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 | 462,780,875 | |
| -1 | 462,780,875 |
If you did it right, you will end up with this table:
| 1 | 5 | 25 | 125 | 269 | 1,345 | 6,725 | 13,763 | 33,625 | 68,815 | 344,075 | 1,720,375 | 3,702,247 | 18,511,235 | 92,556,175 | 462,780,875 |
| -1 | -5 | -25 | -125 | -269 | -1,345 | -6,725 | -13,763 | -33,625 | -68,815 | -344,075 | -1,720,375 | -3,702,247 | -18,511,235 | -92,556,175 | -462,780,875 |
Here are some more numbers to try:
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