A:
Positive:
1 x 1630168723 x 70876943 x 37910953 x 307579311 x 52417989 x 164831219 x 133732279 x 7153
Negative:
-1 x -16301687-23 x -708769-43 x -379109-53 x -307579-311 x -52417-989 x -16483-1219 x -13373-2279 x -7153
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 16,301,687, 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 | 16,301,687 | |
| -1 | -16,301,687 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 16,301,687.
Example:
1 x 16,301,687 = 16,301,687
and
-1 x -16,301,687 = 16,301,687
Notice both answers equal 16,301,687
With that explanation out of the way, let's continue. Next, we take the number 16,301,687 and divide it by 2:
16,301,687 ÷ 2 = 8,150,843.5
If the quotient is a whole number, then 2 and 8,150,843.5 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 | 16,301,687 | |
| -1 | -16,301,687 |
Now, we try dividing 16,301,687 by 3:
16,301,687 ÷ 3 = 5,433,895.6667
If the quotient is a whole number, then 3 and 5,433,895.6667 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 | 16,301,687 | |
| -1 | -16,301,687 |
Let's try dividing by 4:
16,301,687 ÷ 4 = 4,075,421.75
If the quotient is a whole number, then 4 and 4,075,421.75 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 | 16,301,687 | |
| -1 | 16,301,687 |
If you did it right, you will end up with this table:
| 1 | 23 | 43 | 53 | 311 | 989 | 1,219 | 2,279 | 7,153 | 13,373 | 16,483 | 52,417 | 307,579 | 379,109 | 708,769 | 16,301,687 |
| -1 | -23 | -43 | -53 | -311 | -989 | -1,219 | -2,279 | -7,153 | -13,373 | -16,483 | -52,417 | -307,579 | -379,109 | -708,769 | -16,301,687 |
Here are some more numbers to try:
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