A:
Positive:
1 x 167266555 x 334533111 x 152060555 x 304121179 x 93445895 x 186891699 x 98451969 x 8495
Negative:
-1 x -16726655-5 x -3345331-11 x -1520605-55 x -304121-179 x -93445-895 x -18689-1699 x -9845-1969 x -8495
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 16,726,655, 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 | 16,726,655 | |
| -1 | -16,726,655 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 16,726,655.
Example:
1 x 16,726,655 = 16,726,655
and
-1 x -16,726,655 = 16,726,655
Notice both answers equal 16,726,655
With that explanation out of the way, let's continue. Next, we take the number 16,726,655 and divide it by 2:
16,726,655 ÷ 2 = 8,363,327.5
If the quotient is a whole number, then 2 and 8,363,327.5 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 | 16,726,655 | |
| -1 | -16,726,655 |
Now, we try dividing 16,726,655 by 3:
16,726,655 ÷ 3 = 5,575,551.6667
If the quotient is a whole number, then 3 and 5,575,551.6667 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 | 16,726,655 | |
| -1 | -16,726,655 |
Let's try dividing by 4:
16,726,655 ÷ 4 = 4,181,663.75
If the quotient is a whole number, then 4 and 4,181,663.75 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 | 16,726,655 | |
| -1 | 16,726,655 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 55 | 179 | 895 | 1,699 | 1,969 | 8,495 | 9,845 | 18,689 | 93,445 | 304,121 | 1,520,605 | 3,345,331 | 16,726,655 |
| -1 | -5 | -11 | -55 | -179 | -895 | -1,699 | -1,969 | -8,495 | -9,845 | -18,689 | -93,445 | -304,121 | -1,520,605 | -3,345,331 | -16,726,655 |
Here are some more numbers to try:
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