A:
Positive:
1 x 85747455 x 171494923 x 372815115 x 74563173 x 49565431 x 19895865 x 99132155 x 3979
Negative:
-1 x -8574745-5 x -1714949-23 x -372815-115 x -74563-173 x -49565-431 x -19895-865 x -9913-2155 x -3979
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 8,574,745, 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 | 8,574,745 | |
| -1 | -8,574,745 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 8,574,745.
Example:
1 x 8,574,745 = 8,574,745
and
-1 x -8,574,745 = 8,574,745
Notice both answers equal 8,574,745
With that explanation out of the way, let's continue. Next, we take the number 8,574,745 and divide it by 2:
8,574,745 ÷ 2 = 4,287,372.5
If the quotient is a whole number, then 2 and 4,287,372.5 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 | 8,574,745 | |
| -1 | -8,574,745 |
Now, we try dividing 8,574,745 by 3:
8,574,745 ÷ 3 = 2,858,248.3333
If the quotient is a whole number, then 3 and 2,858,248.3333 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 | 8,574,745 | |
| -1 | -8,574,745 |
Let's try dividing by 4:
8,574,745 ÷ 4 = 2,143,686.25
If the quotient is a whole number, then 4 and 2,143,686.25 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 | 8,574,745 | |
| -1 | 8,574,745 |
If you did it right, you will end up with this table:
| 1 | 5 | 23 | 115 | 173 | 431 | 865 | 2,155 | 3,979 | 9,913 | 19,895 | 49,565 | 74,563 | 372,815 | 1,714,949 | 8,574,745 |
| -1 | -5 | -23 | -115 | -173 | -431 | -865 | -2,155 | -3,979 | -9,913 | -19,895 | -49,565 | -74,563 | -372,815 | -1,714,949 | -8,574,745 |
Here are some more numbers to try:
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