A:
Positive:
1 x 186954117 x 267077319 x 98396943 x 43477749 x 381539133 x 140567301 x 62111467 x 40033817 x 22883931 x 200812107 x 88733269 x 5719
Negative:
-1 x -18695411-7 x -2670773-19 x -983969-43 x -434777-49 x -381539-133 x -140567-301 x -62111-467 x -40033-817 x -22883-931 x -20081-2107 x -8873-3269 x -5719
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 18,695,411, 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 | 18,695,411 | |
| -1 | -18,695,411 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 18,695,411.
Example:
1 x 18,695,411 = 18,695,411
and
-1 x -18,695,411 = 18,695,411
Notice both answers equal 18,695,411
With that explanation out of the way, let's continue. Next, we take the number 18,695,411 and divide it by 2:
18,695,411 ÷ 2 = 9,347,705.5
If the quotient is a whole number, then 2 and 9,347,705.5 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 | 18,695,411 | |
| -1 | -18,695,411 |
Now, we try dividing 18,695,411 by 3:
18,695,411 ÷ 3 = 6,231,803.6667
If the quotient is a whole number, then 3 and 6,231,803.6667 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 | 18,695,411 | |
| -1 | -18,695,411 |
Let's try dividing by 4:
18,695,411 ÷ 4 = 4,673,852.75
If the quotient is a whole number, then 4 and 4,673,852.75 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 | 18,695,411 | |
| -1 | 18,695,411 |
If you did it right, you will end up with this table:
| 1 | 7 | 19 | 43 | 49 | 133 | 301 | 467 | 817 | 931 | 2,107 | 3,269 | 5,719 | 8,873 | 20,081 | 22,883 | 40,033 | 62,111 | 140,567 | 381,539 | 434,777 | 983,969 | 2,670,773 | 18,695,411 |
| -1 | -7 | -19 | -43 | -49 | -133 | -301 | -467 | -817 | -931 | -2,107 | -3,269 | -5,719 | -8,873 | -20,081 | -22,883 | -40,033 | -62,111 | -140,567 | -381,539 | -434,777 | -983,969 | -2,670,773 | -18,695,411 |
Here are some more numbers to try:
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