A:
Positive:
1 x 475321155 x 950642361 x 779215101 x 470615305 x 155843505 x 941231543 x 308056161 x 7715
Negative:
-1 x -47532115-5 x -9506423-61 x -779215-101 x -470615-305 x -155843-505 x -94123-1543 x -30805-6161 x -7715
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 47,532,115, 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 | 47,532,115 | |
| -1 | -47,532,115 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 47,532,115.
Example:
1 x 47,532,115 = 47,532,115
and
-1 x -47,532,115 = 47,532,115
Notice both answers equal 47,532,115
With that explanation out of the way, let's continue. Next, we take the number 47,532,115 and divide it by 2:
47,532,115 ÷ 2 = 23,766,057.5
If the quotient is a whole number, then 2 and 23,766,057.5 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 | 47,532,115 | |
| -1 | -47,532,115 |
Now, we try dividing 47,532,115 by 3:
47,532,115 ÷ 3 = 15,844,038.3333
If the quotient is a whole number, then 3 and 15,844,038.3333 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 | 47,532,115 | |
| -1 | -47,532,115 |
Let's try dividing by 4:
47,532,115 ÷ 4 = 11,883,028.75
If the quotient is a whole number, then 4 and 11,883,028.75 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 | 47,532,115 | |
| -1 | 47,532,115 |
If you did it right, you will end up with this table:
| 1 | 5 | 61 | 101 | 305 | 505 | 1,543 | 6,161 | 7,715 | 30,805 | 94,123 | 155,843 | 470,615 | 779,215 | 9,506,423 | 47,532,115 |
| -1 | -5 | -61 | -101 | -305 | -505 | -1,543 | -6,161 | -7,715 | -30,805 | -94,123 | -155,843 | -470,615 | -779,215 | -9,506,423 | -47,532,115 |
Here are some more numbers to try:
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