A:
Positive:
1 x 203560637 x 290800913 x 156585191 x 223693467 x 43589479 x 424973269 x 62273353 x 6071
Negative:
-1 x -20356063-7 x -2908009-13 x -1565851-91 x -223693-467 x -43589-479 x -42497-3269 x -6227-3353 x -6071
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 20,356,063, 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 | 20,356,063 | |
| -1 | -20,356,063 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 20,356,063.
Example:
1 x 20,356,063 = 20,356,063
and
-1 x -20,356,063 = 20,356,063
Notice both answers equal 20,356,063
With that explanation out of the way, let's continue. Next, we take the number 20,356,063 and divide it by 2:
20,356,063 ÷ 2 = 10,178,031.5
If the quotient is a whole number, then 2 and 10,178,031.5 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 | 20,356,063 | |
| -1 | -20,356,063 |
Now, we try dividing 20,356,063 by 3:
20,356,063 ÷ 3 = 6,785,354.3333
If the quotient is a whole number, then 3 and 6,785,354.3333 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 | 20,356,063 | |
| -1 | -20,356,063 |
Let's try dividing by 4:
20,356,063 ÷ 4 = 5,089,015.75
If the quotient is a whole number, then 4 and 5,089,015.75 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 | 20,356,063 | |
| -1 | 20,356,063 |
If you did it right, you will end up with this table:
| 1 | 7 | 13 | 91 | 467 | 479 | 3,269 | 3,353 | 6,071 | 6,227 | 42,497 | 43,589 | 223,693 | 1,565,851 | 2,908,009 | 20,356,063 |
| -1 | -7 | -13 | -91 | -467 | -479 | -3,269 | -3,353 | -6,071 | -6,227 | -42,497 | -43,589 | -223,693 | -1,565,851 | -2,908,009 | -20,356,063 |
Here are some more numbers to try:
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