A:
Positive:
1 x 8478477 x 12112111 x 7707713 x 6521949 x 1730377 x 1101191 x 9317121 x 7007143 x 5929539 x 1573637 x 1331847 x 1001
Negative:
-1 x -847847-7 x -121121-11 x -77077-13 x -65219-49 x -17303-77 x -11011-91 x -9317-121 x -7007-143 x -5929-539 x -1573-637 x -1331-847 x -1001
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 847,847, 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 | 847,847 | |
| -1 | -847,847 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 847,847.
Example:
1 x 847,847 = 847,847
and
-1 x -847,847 = 847,847
Notice both answers equal 847,847
With that explanation out of the way, let's continue. Next, we take the number 847,847 and divide it by 2:
847,847 ÷ 2 = 423,923.5
If the quotient is a whole number, then 2 and 423,923.5 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 | 847,847 | |
| -1 | -847,847 |
Now, we try dividing 847,847 by 3:
847,847 ÷ 3 = 282,615.6667
If the quotient is a whole number, then 3 and 282,615.6667 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 | 847,847 | |
| -1 | -847,847 |
Let's try dividing by 4:
847,847 ÷ 4 = 211,961.75
If the quotient is a whole number, then 4 and 211,961.75 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 | 847,847 | |
| -1 | 847,847 |
If you did it right, you will end up with this table:
| 1 | 7 | 11 | 13 | 49 | 77 | 91 | 121 | 143 | 539 | 637 | 847 | 1,001 | 1,331 | 1,573 | 5,929 | 7,007 | 9,317 | 11,011 | 17,303 | 65,219 | 77,077 | 121,121 | 847,847 |
| -1 | -7 | -11 | -13 | -49 | -77 | -91 | -121 | -143 | -539 | -637 | -847 | -1,001 | -1,331 | -1,573 | -5,929 | -7,007 | -9,317 | -11,011 | -17,303 | -65,219 | -77,077 | -121,121 | -847,847 |
Here are some more numbers to try:
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