A:
Positive:
1 x 143219155 x 286438319 x 75378541 x 34931595 x 150757205 x 69863779 x 183853677 x 3895
Negative:
-1 x -14321915-5 x -2864383-19 x -753785-41 x -349315-95 x -150757-205 x -69863-779 x -18385-3677 x -3895
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 14,321,915, 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 | 14,321,915 | |
| -1 | -14,321,915 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 14,321,915.
Example:
1 x 14,321,915 = 14,321,915
and
-1 x -14,321,915 = 14,321,915
Notice both answers equal 14,321,915
With that explanation out of the way, let's continue. Next, we take the number 14,321,915 and divide it by 2:
14,321,915 ÷ 2 = 7,160,957.5
If the quotient is a whole number, then 2 and 7,160,957.5 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 | 14,321,915 | |
| -1 | -14,321,915 |
Now, we try dividing 14,321,915 by 3:
14,321,915 ÷ 3 = 4,773,971.6667
If the quotient is a whole number, then 3 and 4,773,971.6667 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 | 14,321,915 | |
| -1 | -14,321,915 |
Let's try dividing by 4:
14,321,915 ÷ 4 = 3,580,478.75
If the quotient is a whole number, then 4 and 3,580,478.75 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 | 14,321,915 | |
| -1 | 14,321,915 |
If you did it right, you will end up with this table:
| 1 | 5 | 19 | 41 | 95 | 205 | 779 | 3,677 | 3,895 | 18,385 | 69,863 | 150,757 | 349,315 | 753,785 | 2,864,383 | 14,321,915 |
| -1 | -5 | -19 | -41 | -95 | -205 | -779 | -3,677 | -3,895 | -18,385 | -69,863 | -150,757 | -349,315 | -753,785 | -2,864,383 | -14,321,915 |
Here are some more numbers to try:
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