A:
Positive:
1 x 2540655 x 508137 x 3629517 x 1494535 x 725949 x 518561 x 416585 x 2989119 x 2135245 x 1037305 x 833427 x 595
Negative:
-1 x -254065-5 x -50813-7 x -36295-17 x -14945-35 x -7259-49 x -5185-61 x -4165-85 x -2989-119 x -2135-245 x -1037-305 x -833-427 x -595
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 254,065, 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 | 254,065 | |
| -1 | -254,065 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 254,065.
Example:
1 x 254,065 = 254,065
and
-1 x -254,065 = 254,065
Notice both answers equal 254,065
With that explanation out of the way, let's continue. Next, we take the number 254,065 and divide it by 2:
254,065 ÷ 2 = 127,032.5
If the quotient is a whole number, then 2 and 127,032.5 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 | 254,065 | |
| -1 | -254,065 |
Now, we try dividing 254,065 by 3:
254,065 ÷ 3 = 84,688.3333
If the quotient is a whole number, then 3 and 84,688.3333 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 | 254,065 | |
| -1 | -254,065 |
Let's try dividing by 4:
254,065 ÷ 4 = 63,516.25
If the quotient is a whole number, then 4 and 63,516.25 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 | 254,065 | |
| -1 | 254,065 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 17 | 35 | 49 | 61 | 85 | 119 | 245 | 305 | 427 | 595 | 833 | 1,037 | 2,135 | 2,989 | 4,165 | 5,185 | 7,259 | 14,945 | 36,295 | 50,813 | 254,065 |
| -1 | -5 | -7 | -17 | -35 | -49 | -61 | -85 | -119 | -245 | -305 | -427 | -595 | -833 | -1,037 | -2,135 | -2,989 | -4,165 | -5,185 | -7,259 | -14,945 | -36,295 | -50,813 | -254,065 |
Here are some more numbers to try:
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