A:
Positive:
1 x 2407740055 x 4815480123 x 10468435115 x 2093687449 x 5362452245 x 1072494663 x 5163510327 x 23315
Negative:
-1 x -240774005-5 x -48154801-23 x -10468435-115 x -2093687-449 x -536245-2245 x -107249-4663 x -51635-10327 x -23315
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 240,774,005, 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 | 240,774,005 | |
| -1 | -240,774,005 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 240,774,005.
Example:
1 x 240,774,005 = 240,774,005
and
-1 x -240,774,005 = 240,774,005
Notice both answers equal 240,774,005
With that explanation out of the way, let's continue. Next, we take the number 240,774,005 and divide it by 2:
240,774,005 ÷ 2 = 120,387,002.5
If the quotient is a whole number, then 2 and 120,387,002.5 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 | 240,774,005 | |
| -1 | -240,774,005 |
Now, we try dividing 240,774,005 by 3:
240,774,005 ÷ 3 = 80,258,001.6667
If the quotient is a whole number, then 3 and 80,258,001.6667 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 | 240,774,005 | |
| -1 | -240,774,005 |
Let's try dividing by 4:
240,774,005 ÷ 4 = 60,193,501.25
If the quotient is a whole number, then 4 and 60,193,501.25 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 | 240,774,005 | |
| -1 | 240,774,005 |
If you did it right, you will end up with this table:
| 1 | 5 | 23 | 115 | 449 | 2,245 | 4,663 | 10,327 | 23,315 | 51,635 | 107,249 | 536,245 | 2,093,687 | 10,468,435 | 48,154,801 | 240,774,005 |
| -1 | -5 | -23 | -115 | -449 | -2,245 | -4,663 | -10,327 | -23,315 | -51,635 | -107,249 | -536,245 | -2,093,687 | -10,468,435 | -48,154,801 | -240,774,005 |
Here are some more numbers to try:
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