A:
Positive:
1 x 2147755 x 4295511 x 1952525 x 859155 x 390571 x 3025121 x 1775275 x 781355 x 605
Negative:
-1 x -214775-5 x -42955-11 x -19525-25 x -8591-55 x -3905-71 x -3025-121 x -1775-275 x -781-355 x -605
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 214,775, 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 | 214,775 | |
| -1 | -214,775 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 214,775.
Example:
1 x 214,775 = 214,775
and
-1 x -214,775 = 214,775
Notice both answers equal 214,775
With that explanation out of the way, let's continue. Next, we take the number 214,775 and divide it by 2:
214,775 ÷ 2 = 107,387.5
If the quotient is a whole number, then 2 and 107,387.5 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 | 214,775 | |
| -1 | -214,775 |
Now, we try dividing 214,775 by 3:
214,775 ÷ 3 = 71,591.6667
If the quotient is a whole number, then 3 and 71,591.6667 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 | 214,775 | |
| -1 | -214,775 |
Let's try dividing by 4:
214,775 ÷ 4 = 53,693.75
If the quotient is a whole number, then 4 and 53,693.75 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 | 214,775 | |
| -1 | 214,775 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 25 | 55 | 71 | 121 | 275 | 355 | 605 | 781 | 1,775 | 3,025 | 3,905 | 8,591 | 19,525 | 42,955 | 214,775 |
| -1 | -5 | -11 | -25 | -55 | -71 | -121 | -275 | -355 | -605 | -781 | -1,775 | -3,025 | -3,905 | -8,591 | -19,525 | -42,955 | -214,775 |
Here are some more numbers to try:
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