A:
Positive:
1 x 3077454255 x 6154908513 x 2367272525 x 1230981747 x 654777565 x 4734545235 x 1309555325 x 946909611 x 5036751175 x 2619113055 x 10073515275 x 20147
Negative:
-1 x -307745425-5 x -61549085-13 x -23672725-25 x -12309817-47 x -6547775-65 x -4734545-235 x -1309555-325 x -946909-611 x -503675-1175 x -261911-3055 x -100735-15275 x -20147
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 307,745,425, 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 | 307,745,425 | |
| -1 | -307,745,425 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 307,745,425.
Example:
1 x 307,745,425 = 307,745,425
and
-1 x -307,745,425 = 307,745,425
Notice both answers equal 307,745,425
With that explanation out of the way, let's continue. Next, we take the number 307,745,425 and divide it by 2:
307,745,425 ÷ 2 = 153,872,712.5
If the quotient is a whole number, then 2 and 153,872,712.5 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 | 307,745,425 | |
| -1 | -307,745,425 |
Now, we try dividing 307,745,425 by 3:
307,745,425 ÷ 3 = 102,581,808.3333
If the quotient is a whole number, then 3 and 102,581,808.3333 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 | 307,745,425 | |
| -1 | -307,745,425 |
Let's try dividing by 4:
307,745,425 ÷ 4 = 76,936,356.25
If the quotient is a whole number, then 4 and 76,936,356.25 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 | 307,745,425 | |
| -1 | 307,745,425 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 25 | 47 | 65 | 235 | 325 | 611 | 1,175 | 3,055 | 15,275 | 20,147 | 100,735 | 261,911 | 503,675 | 946,909 | 1,309,555 | 4,734,545 | 6,547,775 | 12,309,817 | 23,672,725 | 61,549,085 | 307,745,425 |
| -1 | -5 | -13 | -25 | -47 | -65 | -235 | -325 | -611 | -1,175 | -3,055 | -15,275 | -20,147 | -100,735 | -261,911 | -503,675 | -946,909 | -1,309,555 | -4,734,545 | -6,547,775 | -12,309,817 | -23,672,725 | -61,549,085 | -307,745,425 |
Here are some more numbers to try:
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