A:
Positive:
1 x 2425155 x 485037 x 3464513 x 1865535 x 692941 x 591565 x 373191 x 2665169 x 1435205 x 1183287 x 845455 x 533
Negative:
-1 x -242515-5 x -48503-7 x -34645-13 x -18655-35 x -6929-41 x -5915-65 x -3731-91 x -2665-169 x -1435-205 x -1183-287 x -845-455 x -533
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 242,515, 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 | 242,515 | |
| -1 | -242,515 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 242,515.
Example:
1 x 242,515 = 242,515
and
-1 x -242,515 = 242,515
Notice both answers equal 242,515
With that explanation out of the way, let's continue. Next, we take the number 242,515 and divide it by 2:
242,515 ÷ 2 = 121,257.5
If the quotient is a whole number, then 2 and 121,257.5 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 | 242,515 | |
| -1 | -242,515 |
Now, we try dividing 242,515 by 3:
242,515 ÷ 3 = 80,838.3333
If the quotient is a whole number, then 3 and 80,838.3333 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 | 242,515 | |
| -1 | -242,515 |
Let's try dividing by 4:
242,515 ÷ 4 = 60,628.75
If the quotient is a whole number, then 4 and 60,628.75 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 | 242,515 | |
| -1 | 242,515 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 13 | 35 | 41 | 65 | 91 | 169 | 205 | 287 | 455 | 533 | 845 | 1,183 | 1,435 | 2,665 | 3,731 | 5,915 | 6,929 | 18,655 | 34,645 | 48,503 | 242,515 |
| -1 | -5 | -7 | -13 | -35 | -41 | -65 | -91 | -169 | -205 | -287 | -455 | -533 | -845 | -1,183 | -1,435 | -2,665 | -3,731 | -5,915 | -6,929 | -18,655 | -34,645 | -48,503 | -242,515 |
Here are some more numbers to try:
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