A:
Positive:
1 x 1634079117 x 96122337 x 44164383 x 196877313 x 52207629 x 259791411 x 115813071 x 5321
Negative:
-1 x -16340791-17 x -961223-37 x -441643-83 x -196877-313 x -52207-629 x -25979-1411 x -11581-3071 x -5321
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 16,340,791, 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 | 16,340,791 | |
| -1 | -16,340,791 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 16,340,791.
Example:
1 x 16,340,791 = 16,340,791
and
-1 x -16,340,791 = 16,340,791
Notice both answers equal 16,340,791
With that explanation out of the way, let's continue. Next, we take the number 16,340,791 and divide it by 2:
16,340,791 ÷ 2 = 8,170,395.5
If the quotient is a whole number, then 2 and 8,170,395.5 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 | 16,340,791 | |
| -1 | -16,340,791 |
Now, we try dividing 16,340,791 by 3:
16,340,791 ÷ 3 = 5,446,930.3333
If the quotient is a whole number, then 3 and 5,446,930.3333 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 | 16,340,791 | |
| -1 | -16,340,791 |
Let's try dividing by 4:
16,340,791 ÷ 4 = 4,085,197.75
If the quotient is a whole number, then 4 and 4,085,197.75 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 | 16,340,791 | |
| -1 | 16,340,791 |
If you did it right, you will end up with this table:
| 1 | 17 | 37 | 83 | 313 | 629 | 1,411 | 3,071 | 5,321 | 11,581 | 25,979 | 52,207 | 196,877 | 441,643 | 961,223 | 16,340,791 |
| -1 | -17 | -37 | -83 | -313 | -629 | -1,411 | -3,071 | -5,321 | -11,581 | -25,979 | -52,207 | -196,877 | -441,643 | -961,223 | -16,340,791 |
Here are some more numbers to try:
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