A:
Positive:
1 x 164949477 x 235642117 x 97029197 x 170051119 x 138613679 x 242931429 x 115431649 x 10003
Negative:
-1 x -16494947-7 x -2356421-17 x -970291-97 x -170051-119 x -138613-679 x -24293-1429 x -11543-1649 x -10003
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 16,494,947, 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 | 16,494,947 | |
| -1 | -16,494,947 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 16,494,947.
Example:
1 x 16,494,947 = 16,494,947
and
-1 x -16,494,947 = 16,494,947
Notice both answers equal 16,494,947
With that explanation out of the way, let's continue. Next, we take the number 16,494,947 and divide it by 2:
16,494,947 ÷ 2 = 8,247,473.5
If the quotient is a whole number, then 2 and 8,247,473.5 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 | 16,494,947 | |
| -1 | -16,494,947 |
Now, we try dividing 16,494,947 by 3:
16,494,947 ÷ 3 = 5,498,315.6667
If the quotient is a whole number, then 3 and 5,498,315.6667 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 | 16,494,947 | |
| -1 | -16,494,947 |
Let's try dividing by 4:
16,494,947 ÷ 4 = 4,123,736.75
If the quotient is a whole number, then 4 and 4,123,736.75 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 | 16,494,947 | |
| -1 | 16,494,947 |
If you did it right, you will end up with this table:
| 1 | 7 | 17 | 97 | 119 | 679 | 1,429 | 1,649 | 10,003 | 11,543 | 24,293 | 138,613 | 170,051 | 970,291 | 2,356,421 | 16,494,947 |
| -1 | -7 | -17 | -97 | -119 | -679 | -1,429 | -1,649 | -10,003 | -11,543 | -24,293 | -138,613 | -170,051 | -970,291 | -2,356,421 | -16,494,947 |
Here are some more numbers to try:
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