A:
Positive:
1 x 3065374155 x 6130748337 x 8284795185 x 1656959317 x 9669951585 x 1933995227 x 5864511729 x 26135
Negative:
-1 x -306537415-5 x -61307483-37 x -8284795-185 x -1656959-317 x -966995-1585 x -193399-5227 x -58645-11729 x -26135
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 306,537,415, 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 | 306,537,415 | |
| -1 | -306,537,415 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 306,537,415.
Example:
1 x 306,537,415 = 306,537,415
and
-1 x -306,537,415 = 306,537,415
Notice both answers equal 306,537,415
With that explanation out of the way, let's continue. Next, we take the number 306,537,415 and divide it by 2:
306,537,415 ÷ 2 = 153,268,707.5
If the quotient is a whole number, then 2 and 153,268,707.5 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 | 306,537,415 | |
| -1 | -306,537,415 |
Now, we try dividing 306,537,415 by 3:
306,537,415 ÷ 3 = 102,179,138.3333
If the quotient is a whole number, then 3 and 102,179,138.3333 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 | 306,537,415 | |
| -1 | -306,537,415 |
Let's try dividing by 4:
306,537,415 ÷ 4 = 76,634,353.75
If the quotient is a whole number, then 4 and 76,634,353.75 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 | 306,537,415 | |
| -1 | 306,537,415 |
If you did it right, you will end up with this table:
| 1 | 5 | 37 | 185 | 317 | 1,585 | 5,227 | 11,729 | 26,135 | 58,645 | 193,399 | 966,995 | 1,656,959 | 8,284,795 | 61,307,483 | 306,537,415 |
| -1 | -5 | -37 | -185 | -317 | -1,585 | -5,227 | -11,729 | -26,135 | -58,645 | -193,399 | -966,995 | -1,656,959 | -8,284,795 | -61,307,483 | -306,537,415 |
Here are some more numbers to try:
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