A:
Positive:
1 x 1658454123 x 72106741 x 40450143 x 385687409 x 40549943 x 17587989 x 167691763 x 9407
Negative:
-1 x -16584541-23 x -721067-41 x -404501-43 x -385687-409 x -40549-943 x -17587-989 x -16769-1763 x -9407
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 16,584,541, 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 | 16,584,541 | |
| -1 | -16,584,541 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 16,584,541.
Example:
1 x 16,584,541 = 16,584,541
and
-1 x -16,584,541 = 16,584,541
Notice both answers equal 16,584,541
With that explanation out of the way, let's continue. Next, we take the number 16,584,541 and divide it by 2:
16,584,541 ÷ 2 = 8,292,270.5
If the quotient is a whole number, then 2 and 8,292,270.5 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 | 16,584,541 | |
| -1 | -16,584,541 |
Now, we try dividing 16,584,541 by 3:
16,584,541 ÷ 3 = 5,528,180.3333
If the quotient is a whole number, then 3 and 5,528,180.3333 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 | 16,584,541 | |
| -1 | -16,584,541 |
Let's try dividing by 4:
16,584,541 ÷ 4 = 4,146,135.25
If the quotient is a whole number, then 4 and 4,146,135.25 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 | 16,584,541 | |
| -1 | 16,584,541 |
If you did it right, you will end up with this table:
| 1 | 23 | 41 | 43 | 409 | 943 | 989 | 1,763 | 9,407 | 16,769 | 17,587 | 40,549 | 385,687 | 404,501 | 721,067 | 16,584,541 |
| -1 | -23 | -41 | -43 | -409 | -943 | -989 | -1,763 | -9,407 | -16,769 | -17,587 | -40,549 | -385,687 | -404,501 | -721,067 | -16,584,541 |
Here are some more numbers to try:
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