A:
Positive:
1 x 3074834777 x 4392621141 x 749959749 x 6275173287 x 10713711681 x 1829172009 x 1530533733 x 8236911767 x 26131
Negative:
-1 x -307483477-7 x -43926211-41 x -7499597-49 x -6275173-287 x -1071371-1681 x -182917-2009 x -153053-3733 x -82369-11767 x -26131
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 307,483,477, 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 | 307,483,477 | |
| -1 | -307,483,477 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 307,483,477.
Example:
1 x 307,483,477 = 307,483,477
and
-1 x -307,483,477 = 307,483,477
Notice both answers equal 307,483,477
With that explanation out of the way, let's continue. Next, we take the number 307,483,477 and divide it by 2:
307,483,477 ÷ 2 = 153,741,738.5
If the quotient is a whole number, then 2 and 153,741,738.5 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 | 307,483,477 | |
| -1 | -307,483,477 |
Now, we try dividing 307,483,477 by 3:
307,483,477 ÷ 3 = 102,494,492.3333
If the quotient is a whole number, then 3 and 102,494,492.3333 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 | 307,483,477 | |
| -1 | -307,483,477 |
Let's try dividing by 4:
307,483,477 ÷ 4 = 76,870,869.25
If the quotient is a whole number, then 4 and 76,870,869.25 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 | 307,483,477 | |
| -1 | 307,483,477 |
If you did it right, you will end up with this table:
| 1 | 7 | 41 | 49 | 287 | 1,681 | 2,009 | 3,733 | 11,767 | 26,131 | 82,369 | 153,053 | 182,917 | 1,071,371 | 6,275,173 | 7,499,597 | 43,926,211 | 307,483,477 |
| -1 | -7 | -41 | -49 | -287 | -1,681 | -2,009 | -3,733 | -11,767 | -26,131 | -82,369 | -153,053 | -182,917 | -1,071,371 | -6,275,173 | -7,499,597 | -43,926,211 | -307,483,477 |
Here are some more numbers to try:
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