A:
Positive:
1 x 203265237 x 290378919 x 106981749 x 414827133 x 152831343 x 59261931 x 218333119 x 6517
Negative:
-1 x -20326523-7 x -2903789-19 x -1069817-49 x -414827-133 x -152831-343 x -59261-931 x -21833-3119 x -6517
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 20,326,523, 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 | 20,326,523 | |
| -1 | -20,326,523 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 20,326,523.
Example:
1 x 20,326,523 = 20,326,523
and
-1 x -20,326,523 = 20,326,523
Notice both answers equal 20,326,523
With that explanation out of the way, let's continue. Next, we take the number 20,326,523 and divide it by 2:
20,326,523 ÷ 2 = 10,163,261.5
If the quotient is a whole number, then 2 and 10,163,261.5 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 | 20,326,523 | |
| -1 | -20,326,523 |
Now, we try dividing 20,326,523 by 3:
20,326,523 ÷ 3 = 6,775,507.6667
If the quotient is a whole number, then 3 and 6,775,507.6667 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 | 20,326,523 | |
| -1 | -20,326,523 |
Let's try dividing by 4:
20,326,523 ÷ 4 = 5,081,630.75
If the quotient is a whole number, then 4 and 5,081,630.75 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 | 20,326,523 | |
| -1 | 20,326,523 |
If you did it right, you will end up with this table:
| 1 | 7 | 19 | 49 | 133 | 343 | 931 | 3,119 | 6,517 | 21,833 | 59,261 | 152,831 | 414,827 | 1,069,817 | 2,903,789 | 20,326,523 |
| -1 | -7 | -19 | -49 | -133 | -343 | -931 | -3,119 | -6,517 | -21,833 | -59,261 | -152,831 | -414,827 | -1,069,817 | -2,903,789 | -20,326,523 |
Here are some more numbers to try:
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