A:
Positive:
1 x 207143937 x 295919983 x 249571101 x 205093353 x 58681581 x 35653707 x 292992471 x 8383
Negative:
-1 x -20714393-7 x -2959199-83 x -249571-101 x -205093-353 x -58681-581 x -35653-707 x -29299-2471 x -8383
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 20,714,393, 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 | 20,714,393 | |
| -1 | -20,714,393 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 20,714,393.
Example:
1 x 20,714,393 = 20,714,393
and
-1 x -20,714,393 = 20,714,393
Notice both answers equal 20,714,393
With that explanation out of the way, let's continue. Next, we take the number 20,714,393 and divide it by 2:
20,714,393 ÷ 2 = 10,357,196.5
If the quotient is a whole number, then 2 and 10,357,196.5 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 | 20,714,393 | |
| -1 | -20,714,393 |
Now, we try dividing 20,714,393 by 3:
20,714,393 ÷ 3 = 6,904,797.6667
If the quotient is a whole number, then 3 and 6,904,797.6667 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 | 20,714,393 | |
| -1 | -20,714,393 |
Let's try dividing by 4:
20,714,393 ÷ 4 = 5,178,598.25
If the quotient is a whole number, then 4 and 5,178,598.25 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 | 20,714,393 | |
| -1 | 20,714,393 |
If you did it right, you will end up with this table:
| 1 | 7 | 83 | 101 | 353 | 581 | 707 | 2,471 | 8,383 | 29,299 | 35,653 | 58,681 | 205,093 | 249,571 | 2,959,199 | 20,714,393 |
| -1 | -7 | -83 | -101 | -353 | -581 | -707 | -2,471 | -8,383 | -29,299 | -35,653 | -58,681 | -205,093 | -249,571 | -2,959,199 | -20,714,393 |
Here are some more numbers to try:
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