A:
Positive:
1 x 3820834129 x 131752959 x 647599137 x 278893163 x 2344071711 x 223313973 x 96174727 x 8083
Negative:
-1 x -38208341-29 x -1317529-59 x -647599-137 x -278893-163 x -234407-1711 x -22331-3973 x -9617-4727 x -8083
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 38,208,341, 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 | 38,208,341 | |
| -1 | -38,208,341 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 38,208,341.
Example:
1 x 38,208,341 = 38,208,341
and
-1 x -38,208,341 = 38,208,341
Notice both answers equal 38,208,341
With that explanation out of the way, let's continue. Next, we take the number 38,208,341 and divide it by 2:
38,208,341 ÷ 2 = 19,104,170.5
If the quotient is a whole number, then 2 and 19,104,170.5 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 | 38,208,341 | |
| -1 | -38,208,341 |
Now, we try dividing 38,208,341 by 3:
38,208,341 ÷ 3 = 12,736,113.6667
If the quotient is a whole number, then 3 and 12,736,113.6667 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 | 38,208,341 | |
| -1 | -38,208,341 |
Let's try dividing by 4:
38,208,341 ÷ 4 = 9,552,085.25
If the quotient is a whole number, then 4 and 9,552,085.25 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 | 38,208,341 | |
| -1 | 38,208,341 |
If you did it right, you will end up with this table:
| 1 | 29 | 59 | 137 | 163 | 1,711 | 3,973 | 4,727 | 8,083 | 9,617 | 22,331 | 234,407 | 278,893 | 647,599 | 1,317,529 | 38,208,341 |
| -1 | -29 | -59 | -137 | -163 | -1,711 | -3,973 | -4,727 | -8,083 | -9,617 | -22,331 | -234,407 | -278,893 | -647,599 | -1,317,529 | -38,208,341 |
Here are some more numbers to try:
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