A:
Positive:
1 x 188836697 x 269766729 x 65116149 x 38538197 x 194677137 x 137837203 x 93023679 x 27811959 x 196911421 x 132892813 x 67133973 x 4753
Negative:
-1 x -18883669-7 x -2697667-29 x -651161-49 x -385381-97 x -194677-137 x -137837-203 x -93023-679 x -27811-959 x -19691-1421 x -13289-2813 x -6713-3973 x -4753
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 18,883,669, 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 | 18,883,669 | |
| -1 | -18,883,669 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 18,883,669.
Example:
1 x 18,883,669 = 18,883,669
and
-1 x -18,883,669 = 18,883,669
Notice both answers equal 18,883,669
With that explanation out of the way, let's continue. Next, we take the number 18,883,669 and divide it by 2:
18,883,669 ÷ 2 = 9,441,834.5
If the quotient is a whole number, then 2 and 9,441,834.5 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 | 18,883,669 | |
| -1 | -18,883,669 |
Now, we try dividing 18,883,669 by 3:
18,883,669 ÷ 3 = 6,294,556.3333
If the quotient is a whole number, then 3 and 6,294,556.3333 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 | 18,883,669 | |
| -1 | -18,883,669 |
Let's try dividing by 4:
18,883,669 ÷ 4 = 4,720,917.25
If the quotient is a whole number, then 4 and 4,720,917.25 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 | 18,883,669 | |
| -1 | 18,883,669 |
If you did it right, you will end up with this table:
| 1 | 7 | 29 | 49 | 97 | 137 | 203 | 679 | 959 | 1,421 | 2,813 | 3,973 | 4,753 | 6,713 | 13,289 | 19,691 | 27,811 | 93,023 | 137,837 | 194,677 | 385,381 | 651,161 | 2,697,667 | 18,883,669 |
| -1 | -7 | -29 | -49 | -97 | -137 | -203 | -679 | -959 | -1,421 | -2,813 | -3,973 | -4,753 | -6,713 | -13,289 | -19,691 | -27,811 | -93,023 | -137,837 | -194,677 | -385,381 | -651,161 | -2,697,667 | -18,883,669 |
Here are some more numbers to try:
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