A:
Positive:
1 x 271164255 x 54232857 x 387377523 x 117897525 x 108465735 x 774755115 x 235795161 x 168425175 x 154951575 x 47159805 x 336854025 x 6737
Negative:
-1 x -27116425-5 x -5423285-7 x -3873775-23 x -1178975-25 x -1084657-35 x -774755-115 x -235795-161 x -168425-175 x -154951-575 x -47159-805 x -33685-4025 x -6737
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 27,116,425, 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 | 27,116,425 | |
| -1 | -27,116,425 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 27,116,425.
Example:
1 x 27,116,425 = 27,116,425
and
-1 x -27,116,425 = 27,116,425
Notice both answers equal 27,116,425
With that explanation out of the way, let's continue. Next, we take the number 27,116,425 and divide it by 2:
27,116,425 ÷ 2 = 13,558,212.5
If the quotient is a whole number, then 2 and 13,558,212.5 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 | 27,116,425 | |
| -1 | -27,116,425 |
Now, we try dividing 27,116,425 by 3:
27,116,425 ÷ 3 = 9,038,808.3333
If the quotient is a whole number, then 3 and 9,038,808.3333 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 | 27,116,425 | |
| -1 | -27,116,425 |
Let's try dividing by 4:
27,116,425 ÷ 4 = 6,779,106.25
If the quotient is a whole number, then 4 and 6,779,106.25 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 | 27,116,425 | |
| -1 | 27,116,425 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 23 | 25 | 35 | 115 | 161 | 175 | 575 | 805 | 4,025 | 6,737 | 33,685 | 47,159 | 154,951 | 168,425 | 235,795 | 774,755 | 1,084,657 | 1,178,975 | 3,873,775 | 5,423,285 | 27,116,425 |
| -1 | -5 | -7 | -23 | -25 | -35 | -115 | -161 | -175 | -575 | -805 | -4,025 | -6,737 | -33,685 | -47,159 | -154,951 | -168,425 | -235,795 | -774,755 | -1,084,657 | -1,178,975 | -3,873,775 | -5,423,285 | -27,116,425 |
Here are some more numbers to try:
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