A:
Positive:
1 x 4712134141 x 114930161 x 77248183 x 567727227 x 2075832501 x 188413403 x 138475063 x 9307
Negative:
-1 x -47121341-41 x -1149301-61 x -772481-83 x -567727-227 x -207583-2501 x -18841-3403 x -13847-5063 x -9307
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 47,121,341, 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 | 47,121,341 | |
| -1 | -47,121,341 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 47,121,341.
Example:
1 x 47,121,341 = 47,121,341
and
-1 x -47,121,341 = 47,121,341
Notice both answers equal 47,121,341
With that explanation out of the way, let's continue. Next, we take the number 47,121,341 and divide it by 2:
47,121,341 ÷ 2 = 23,560,670.5
If the quotient is a whole number, then 2 and 23,560,670.5 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 | 47,121,341 | |
| -1 | -47,121,341 |
Now, we try dividing 47,121,341 by 3:
47,121,341 ÷ 3 = 15,707,113.6667
If the quotient is a whole number, then 3 and 15,707,113.6667 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 | 47,121,341 | |
| -1 | -47,121,341 |
Let's try dividing by 4:
47,121,341 ÷ 4 = 11,780,335.25
If the quotient is a whole number, then 4 and 11,780,335.25 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 | 47,121,341 | |
| -1 | 47,121,341 |
If you did it right, you will end up with this table:
| 1 | 41 | 61 | 83 | 227 | 2,501 | 3,403 | 5,063 | 9,307 | 13,847 | 18,841 | 207,583 | 567,727 | 772,481 | 1,149,301 | 47,121,341 |
| -1 | -41 | -61 | -83 | -227 | -2,501 | -3,403 | -5,063 | -9,307 | -13,847 | -18,841 | -207,583 | -567,727 | -772,481 | -1,149,301 | -47,121,341 |
Here are some more numbers to try:
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