A:
Positive:
1 x 810481111 x 73680113 x 62344719 x 426569143 x 56677157 x 51623209 x 38779247 x 32813361 x 224511727 x 46932041 x 39712717 x 2983
Negative:
-1 x -8104811-11 x -736801-13 x -623447-19 x -426569-143 x -56677-157 x -51623-209 x -38779-247 x -32813-361 x -22451-1727 x -4693-2041 x -3971-2717 x -2983
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 8,104,811, 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 | 8,104,811 | |
| -1 | -8,104,811 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 8,104,811.
Example:
1 x 8,104,811 = 8,104,811
and
-1 x -8,104,811 = 8,104,811
Notice both answers equal 8,104,811
With that explanation out of the way, let's continue. Next, we take the number 8,104,811 and divide it by 2:
8,104,811 ÷ 2 = 4,052,405.5
If the quotient is a whole number, then 2 and 4,052,405.5 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 | 8,104,811 | |
| -1 | -8,104,811 |
Now, we try dividing 8,104,811 by 3:
8,104,811 ÷ 3 = 2,701,603.6667
If the quotient is a whole number, then 3 and 2,701,603.6667 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 | 8,104,811 | |
| -1 | -8,104,811 |
Let's try dividing by 4:
8,104,811 ÷ 4 = 2,026,202.75
If the quotient is a whole number, then 4 and 2,026,202.75 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 | 8,104,811 | |
| -1 | 8,104,811 |
If you did it right, you will end up with this table:
| 1 | 11 | 13 | 19 | 143 | 157 | 209 | 247 | 361 | 1,727 | 2,041 | 2,717 | 2,983 | 3,971 | 4,693 | 22,451 | 32,813 | 38,779 | 51,623 | 56,677 | 426,569 | 623,447 | 736,801 | 8,104,811 |
| -1 | -11 | -13 | -19 | -143 | -157 | -209 | -247 | -361 | -1,727 | -2,041 | -2,717 | -2,983 | -3,971 | -4,693 | -22,451 | -32,813 | -38,779 | -51,623 | -56,677 | -426,569 | -623,447 | -736,801 | -8,104,811 |
Here are some more numbers to try:
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