A:
Positive:
1 x 159344455 x 318688919 x 83865541 x 38864595 x 167731205 x 77729779 x 204553895 x 4091
Negative:
-1 x -15934445-5 x -3186889-19 x -838655-41 x -388645-95 x -167731-205 x -77729-779 x -20455-3895 x -4091
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 15,934,445, 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 | 15,934,445 | |
| -1 | -15,934,445 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 15,934,445.
Example:
1 x 15,934,445 = 15,934,445
and
-1 x -15,934,445 = 15,934,445
Notice both answers equal 15,934,445
With that explanation out of the way, let's continue. Next, we take the number 15,934,445 and divide it by 2:
15,934,445 ÷ 2 = 7,967,222.5
If the quotient is a whole number, then 2 and 7,967,222.5 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 | 15,934,445 | |
| -1 | -15,934,445 |
Now, we try dividing 15,934,445 by 3:
15,934,445 ÷ 3 = 5,311,481.6667
If the quotient is a whole number, then 3 and 5,311,481.6667 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 | 15,934,445 | |
| -1 | -15,934,445 |
Let's try dividing by 4:
15,934,445 ÷ 4 = 3,983,611.25
If the quotient is a whole number, then 4 and 3,983,611.25 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 | 15,934,445 | |
| -1 | 15,934,445 |
If you did it right, you will end up with this table:
| 1 | 5 | 19 | 41 | 95 | 205 | 779 | 3,895 | 4,091 | 20,455 | 77,729 | 167,731 | 388,645 | 838,655 | 3,186,889 | 15,934,445 |
| -1 | -5 | -19 | -41 | -95 | -205 | -779 | -3,895 | -4,091 | -20,455 | -77,729 | -167,731 | -388,645 | -838,655 | -3,186,889 | -15,934,445 |
Here are some more numbers to try:
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