A:
Positive:
1 x 420440097 x 600628717 x 247317749 x 858041119 x 353311289 x 145481833 x 504732023 x 207832969 x 14161
Negative:
-1 x -42044009-7 x -6006287-17 x -2473177-49 x -858041-119 x -353311-289 x -145481-833 x -50473-2023 x -20783-2969 x -14161
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 42,044,009, 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 | 42,044,009 | |
| -1 | -42,044,009 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 42,044,009.
Example:
1 x 42,044,009 = 42,044,009
and
-1 x -42,044,009 = 42,044,009
Notice both answers equal 42,044,009
With that explanation out of the way, let's continue. Next, we take the number 42,044,009 and divide it by 2:
42,044,009 ÷ 2 = 21,022,004.5
If the quotient is a whole number, then 2 and 21,022,004.5 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 | 42,044,009 | |
| -1 | -42,044,009 |
Now, we try dividing 42,044,009 by 3:
42,044,009 ÷ 3 = 14,014,669.6667
If the quotient is a whole number, then 3 and 14,014,669.6667 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 | 42,044,009 | |
| -1 | -42,044,009 |
Let's try dividing by 4:
42,044,009 ÷ 4 = 10,511,002.25
If the quotient is a whole number, then 4 and 10,511,002.25 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 | 42,044,009 | |
| -1 | 42,044,009 |
If you did it right, you will end up with this table:
| 1 | 7 | 17 | 49 | 119 | 289 | 833 | 2,023 | 2,969 | 14,161 | 20,783 | 50,473 | 145,481 | 353,311 | 858,041 | 2,473,177 | 6,006,287 | 42,044,009 |
| -1 | -7 | -17 | -49 | -119 | -289 | -833 | -2,023 | -2,969 | -14,161 | -20,783 | -50,473 | -145,481 | -353,311 | -858,041 | -2,473,177 | -6,006,287 | -42,044,009 |
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