A:
Positive:
1 x 473073855 x 946147797 x 487705103 x 459295485 x 97541515 x 91859947 x 499554735 x 9991
Negative:
-1 x -47307385-5 x -9461477-97 x -487705-103 x -459295-485 x -97541-515 x -91859-947 x -49955-4735 x -9991
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 47,307,385, 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 | 47,307,385 | |
| -1 | -47,307,385 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 47,307,385.
Example:
1 x 47,307,385 = 47,307,385
and
-1 x -47,307,385 = 47,307,385
Notice both answers equal 47,307,385
With that explanation out of the way, let's continue. Next, we take the number 47,307,385 and divide it by 2:
47,307,385 ÷ 2 = 23,653,692.5
If the quotient is a whole number, then 2 and 23,653,692.5 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 | 47,307,385 | |
| -1 | -47,307,385 |
Now, we try dividing 47,307,385 by 3:
47,307,385 ÷ 3 = 15,769,128.3333
If the quotient is a whole number, then 3 and 15,769,128.3333 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 | 47,307,385 | |
| -1 | -47,307,385 |
Let's try dividing by 4:
47,307,385 ÷ 4 = 11,826,846.25
If the quotient is a whole number, then 4 and 11,826,846.25 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 | 47,307,385 | |
| -1 | 47,307,385 |
If you did it right, you will end up with this table:
| 1 | 5 | 97 | 103 | 485 | 515 | 947 | 4,735 | 9,991 | 49,955 | 91,859 | 97,541 | 459,295 | 487,705 | 9,461,477 | 47,307,385 |
| -1 | -5 | -97 | -103 | -485 | -515 | -947 | -4,735 | -9,991 | -49,955 | -91,859 | -97,541 | -459,295 | -487,705 | -9,461,477 | -47,307,385 |
Here are some more numbers to try:
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