A:
Positive:
1 x 4768518711 x 433501717 x 280501123 x 2073269187 x 255001253 x 188479391 x 1219574301 x 11087
Negative:
-1 x -47685187-11 x -4335017-17 x -2805011-23 x -2073269-187 x -255001-253 x -188479-391 x -121957-4301 x -11087
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 47,685,187, 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 | 47,685,187 | |
| -1 | -47,685,187 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 47,685,187.
Example:
1 x 47,685,187 = 47,685,187
and
-1 x -47,685,187 = 47,685,187
Notice both answers equal 47,685,187
With that explanation out of the way, let's continue. Next, we take the number 47,685,187 and divide it by 2:
47,685,187 ÷ 2 = 23,842,593.5
If the quotient is a whole number, then 2 and 23,842,593.5 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 | 47,685,187 | |
| -1 | -47,685,187 |
Now, we try dividing 47,685,187 by 3:
47,685,187 ÷ 3 = 15,895,062.3333
If the quotient is a whole number, then 3 and 15,895,062.3333 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 | 47,685,187 | |
| -1 | -47,685,187 |
Let's try dividing by 4:
47,685,187 ÷ 4 = 11,921,296.75
If the quotient is a whole number, then 4 and 11,921,296.75 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 | 47,685,187 | |
| -1 | 47,685,187 |
If you did it right, you will end up with this table:
| 1 | 11 | 17 | 23 | 187 | 253 | 391 | 4,301 | 11,087 | 121,957 | 188,479 | 255,001 | 2,073,269 | 2,805,011 | 4,335,017 | 47,685,187 |
| -1 | -11 | -17 | -23 | -187 | -253 | -391 | -4,301 | -11,087 | -121,957 | -188,479 | -255,001 | -2,073,269 | -2,805,011 | -4,335,017 | -47,685,187 |
Here are some more numbers to try:
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