A:
Positive:
1 x 2438155 x 4876311 x 2216513 x 1875531 x 786555 x 443365 x 3751121 x 2015143 x 1705155 x 1573341 x 715403 x 605
Negative:
-1 x -243815-5 x -48763-11 x -22165-13 x -18755-31 x -7865-55 x -4433-65 x -3751-121 x -2015-143 x -1705-155 x -1573-341 x -715-403 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 243,815, 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 | 243,815 | |
| -1 | -243,815 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 243,815.
Example:
1 x 243,815 = 243,815
and
-1 x -243,815 = 243,815
Notice both answers equal 243,815
With that explanation out of the way, let's continue. Next, we take the number 243,815 and divide it by 2:
243,815 ÷ 2 = 121,907.5
If the quotient is a whole number, then 2 and 121,907.5 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 | 243,815 | |
| -1 | -243,815 |
Now, we try dividing 243,815 by 3:
243,815 ÷ 3 = 81,271.6667
If the quotient is a whole number, then 3 and 81,271.6667 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 | 243,815 | |
| -1 | -243,815 |
Let's try dividing by 4:
243,815 ÷ 4 = 60,953.75
If the quotient is a whole number, then 4 and 60,953.75 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 | 243,815 | |
| -1 | 243,815 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 13 | 31 | 55 | 65 | 121 | 143 | 155 | 341 | 403 | 605 | 715 | 1,573 | 1,705 | 2,015 | 3,751 | 4,433 | 7,865 | 18,755 | 22,165 | 48,763 | 243,815 |
| -1 | -5 | -11 | -13 | -31 | -55 | -65 | -121 | -143 | -155 | -341 | -403 | -605 | -715 | -1,573 | -1,705 | -2,015 | -3,751 | -4,433 | -7,865 | -18,755 | -22,165 | -48,763 | -243,815 |
Here are some more numbers to try:
Try the factor calculator