A:
Positive:
1 x 162717555 x 325435129 x 561095145 x 112219293 x 55535383 x 424851465 x 111071915 x 8497
Negative:
-1 x -16271755-5 x -3254351-29 x -561095-145 x -112219-293 x -55535-383 x -42485-1465 x -11107-1915 x -8497
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 16,271,755, 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 | 16,271,755 | |
| -1 | -16,271,755 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 16,271,755.
Example:
1 x 16,271,755 = 16,271,755
and
-1 x -16,271,755 = 16,271,755
Notice both answers equal 16,271,755
With that explanation out of the way, let's continue. Next, we take the number 16,271,755 and divide it by 2:
16,271,755 ÷ 2 = 8,135,877.5
If the quotient is a whole number, then 2 and 8,135,877.5 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 | 16,271,755 | |
| -1 | -16,271,755 |
Now, we try dividing 16,271,755 by 3:
16,271,755 ÷ 3 = 5,423,918.3333
If the quotient is a whole number, then 3 and 5,423,918.3333 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 | 16,271,755 | |
| -1 | -16,271,755 |
Let's try dividing by 4:
16,271,755 ÷ 4 = 4,067,938.75
If the quotient is a whole number, then 4 and 4,067,938.75 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 | 16,271,755 | |
| -1 | 16,271,755 |
If you did it right, you will end up with this table:
| 1 | 5 | 29 | 145 | 293 | 383 | 1,465 | 1,915 | 8,497 | 11,107 | 42,485 | 55,535 | 112,219 | 561,095 | 3,254,351 | 16,271,755 |
| -1 | -5 | -29 | -145 | -293 | -383 | -1,465 | -1,915 | -8,497 | -11,107 | -42,485 | -55,535 | -112,219 | -561,095 | -3,254,351 | -16,271,755 |
Here are some more numbers to try:
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