A:
Positive:
1 x 3839293711 x 349026743 x 89285947 x 816871121 x 317297157 x 244541473 x 81169517 x 742611727 x 222312021 x 189975203 x 73795687 x 6751
Negative:
-1 x -38392937-11 x -3490267-43 x -892859-47 x -816871-121 x -317297-157 x -244541-473 x -81169-517 x -74261-1727 x -22231-2021 x -18997-5203 x -7379-5687 x -6751
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 38,392,937, 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 | 38,392,937 | |
| -1 | -38,392,937 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 38,392,937.
Example:
1 x 38,392,937 = 38,392,937
and
-1 x -38,392,937 = 38,392,937
Notice both answers equal 38,392,937
With that explanation out of the way, let's continue. Next, we take the number 38,392,937 and divide it by 2:
38,392,937 ÷ 2 = 19,196,468.5
If the quotient is a whole number, then 2 and 19,196,468.5 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 | 38,392,937 | |
| -1 | -38,392,937 |
Now, we try dividing 38,392,937 by 3:
38,392,937 ÷ 3 = 12,797,645.6667
If the quotient is a whole number, then 3 and 12,797,645.6667 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 | 38,392,937 | |
| -1 | -38,392,937 |
Let's try dividing by 4:
38,392,937 ÷ 4 = 9,598,234.25
If the quotient is a whole number, then 4 and 9,598,234.25 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 | 38,392,937 | |
| -1 | 38,392,937 |
If you did it right, you will end up with this table:
| 1 | 11 | 43 | 47 | 121 | 157 | 473 | 517 | 1,727 | 2,021 | 5,203 | 5,687 | 6,751 | 7,379 | 18,997 | 22,231 | 74,261 | 81,169 | 244,541 | 317,297 | 816,871 | 892,859 | 3,490,267 | 38,392,937 |
| -1 | -11 | -43 | -47 | -121 | -157 | -473 | -517 | -1,727 | -2,021 | -5,203 | -5,687 | -6,751 | -7,379 | -18,997 | -22,231 | -74,261 | -81,169 | -244,541 | -317,297 | -816,871 | -892,859 | -3,490,267 | -38,392,937 |
Here are some more numbers to try:
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