A:
Positive:
1 x 4041432437 x 5773474919 x 21270697133 x 3038671619 x 6528974333 x 932714909 x 8232711761 x 34363
Negative:
-1 x -404143243-7 x -57734749-19 x -21270697-133 x -3038671-619 x -652897-4333 x -93271-4909 x -82327-11761 x -34363
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 404,143,243, 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 | 404,143,243 | |
| -1 | -404,143,243 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 404,143,243.
Example:
1 x 404,143,243 = 404,143,243
and
-1 x -404,143,243 = 404,143,243
Notice both answers equal 404,143,243
With that explanation out of the way, let's continue. Next, we take the number 404,143,243 and divide it by 2:
404,143,243 ÷ 2 = 202,071,621.5
If the quotient is a whole number, then 2 and 202,071,621.5 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 | 404,143,243 | |
| -1 | -404,143,243 |
Now, we try dividing 404,143,243 by 3:
404,143,243 ÷ 3 = 134,714,414.3333
If the quotient is a whole number, then 3 and 134,714,414.3333 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 | 404,143,243 | |
| -1 | -404,143,243 |
Let's try dividing by 4:
404,143,243 ÷ 4 = 101,035,810.75
If the quotient is a whole number, then 4 and 101,035,810.75 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 | 404,143,243 | |
| -1 | 404,143,243 |
If you did it right, you will end up with this table:
| 1 | 7 | 19 | 133 | 619 | 4,333 | 4,909 | 11,761 | 34,363 | 82,327 | 93,271 | 652,897 | 3,038,671 | 21,270,697 | 57,734,749 | 404,143,243 |
| -1 | -7 | -19 | -133 | -619 | -4,333 | -4,909 | -11,761 | -34,363 | -82,327 | -93,271 | -652,897 | -3,038,671 | -21,270,697 | -57,734,749 | -404,143,243 |
Here are some more numbers to try:
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