A:
Positive:
1 x 2422311437 x 3460444911 x 2202101377 x 314585979 x 3066217553 x 438031869 x 2787476083 x 39821
Negative:
-1 x -242231143-7 x -34604449-11 x -22021013-77 x -3145859-79 x -3066217-553 x -438031-869 x -278747-6083 x -39821
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 242,231,143, 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 | 242,231,143 | |
| -1 | -242,231,143 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 242,231,143.
Example:
1 x 242,231,143 = 242,231,143
and
-1 x -242,231,143 = 242,231,143
Notice both answers equal 242,231,143
With that explanation out of the way, let's continue. Next, we take the number 242,231,143 and divide it by 2:
242,231,143 ÷ 2 = 121,115,571.5
If the quotient is a whole number, then 2 and 121,115,571.5 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 | 242,231,143 | |
| -1 | -242,231,143 |
Now, we try dividing 242,231,143 by 3:
242,231,143 ÷ 3 = 80,743,714.3333
If the quotient is a whole number, then 3 and 80,743,714.3333 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 | 242,231,143 | |
| -1 | -242,231,143 |
Let's try dividing by 4:
242,231,143 ÷ 4 = 60,557,785.75
If the quotient is a whole number, then 4 and 60,557,785.75 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 | 242,231,143 | |
| -1 | 242,231,143 |
If you did it right, you will end up with this table:
| 1 | 7 | 11 | 77 | 79 | 553 | 869 | 6,083 | 39,821 | 278,747 | 438,031 | 3,066,217 | 3,145,859 | 22,021,013 | 34,604,449 | 242,231,143 |
| -1 | -7 | -11 | -77 | -79 | -553 | -869 | -6,083 | -39,821 | -278,747 | -438,031 | -3,066,217 | -3,145,859 | -22,021,013 | -34,604,449 | -242,231,143 |
Here are some more numbers to try:
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