A:
Positive:
1 x 202469755 x 40493957 x 289242525 x 80987935 x 578485127 x 159425175 x 115697635 x 31885889 x 22775911 x 222253175 x 63774445 x 4555
Negative:
-1 x -20246975-5 x -4049395-7 x -2892425-25 x -809879-35 x -578485-127 x -159425-175 x -115697-635 x -31885-889 x -22775-911 x -22225-3175 x -6377-4445 x -4555
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 20,246,975, 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 | 20,246,975 | |
| -1 | -20,246,975 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 20,246,975.
Example:
1 x 20,246,975 = 20,246,975
and
-1 x -20,246,975 = 20,246,975
Notice both answers equal 20,246,975
With that explanation out of the way, let's continue. Next, we take the number 20,246,975 and divide it by 2:
20,246,975 ÷ 2 = 10,123,487.5
If the quotient is a whole number, then 2 and 10,123,487.5 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 | 20,246,975 | |
| -1 | -20,246,975 |
Now, we try dividing 20,246,975 by 3:
20,246,975 ÷ 3 = 6,748,991.6667
If the quotient is a whole number, then 3 and 6,748,991.6667 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 | 20,246,975 | |
| -1 | -20,246,975 |
Let's try dividing by 4:
20,246,975 ÷ 4 = 5,061,743.75
If the quotient is a whole number, then 4 and 5,061,743.75 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 | 20,246,975 | |
| -1 | 20,246,975 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 25 | 35 | 127 | 175 | 635 | 889 | 911 | 3,175 | 4,445 | 4,555 | 6,377 | 22,225 | 22,775 | 31,885 | 115,697 | 159,425 | 578,485 | 809,879 | 2,892,425 | 4,049,395 | 20,246,975 |
| -1 | -5 | -7 | -25 | -35 | -127 | -175 | -635 | -889 | -911 | -3,175 | -4,445 | -4,555 | -6,377 | -22,225 | -22,775 | -31,885 | -115,697 | -159,425 | -578,485 | -809,879 | -2,892,425 | -4,049,395 | -20,246,975 |
Here are some more numbers to try:
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