A:
Positive:
1 x 203042355 x 40608477 x 290060535 x 58012147 x 432005235 x 86401329 x 617151645 x 12343
Negative:
-1 x -20304235-5 x -4060847-7 x -2900605-35 x -580121-47 x -432005-235 x -86401-329 x -61715-1645 x -12343
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 20,304,235, 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 | 20,304,235 | |
| -1 | -20,304,235 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 20,304,235.
Example:
1 x 20,304,235 = 20,304,235
and
-1 x -20,304,235 = 20,304,235
Notice both answers equal 20,304,235
With that explanation out of the way, let's continue. Next, we take the number 20,304,235 and divide it by 2:
20,304,235 ÷ 2 = 10,152,117.5
If the quotient is a whole number, then 2 and 10,152,117.5 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 | 20,304,235 | |
| -1 | -20,304,235 |
Now, we try dividing 20,304,235 by 3:
20,304,235 ÷ 3 = 6,768,078.3333
If the quotient is a whole number, then 3 and 6,768,078.3333 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 | 20,304,235 | |
| -1 | -20,304,235 |
Let's try dividing by 4:
20,304,235 ÷ 4 = 5,076,058.75
If the quotient is a whole number, then 4 and 5,076,058.75 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 | 20,304,235 | |
| -1 | 20,304,235 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 35 | 47 | 235 | 329 | 1,645 | 12,343 | 61,715 | 86,401 | 432,005 | 580,121 | 2,900,605 | 4,060,847 | 20,304,235 |
| -1 | -5 | -7 | -35 | -47 | -235 | -329 | -1,645 | -12,343 | -61,715 | -86,401 | -432,005 | -580,121 | -2,900,605 | -4,060,847 | -20,304,235 |
Here are some more numbers to try:
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