A:
Positive:
1 x 162726855 x 325453711 x 147933513 x 125174555 x 29586765 x 250349121 x 134485143 x 113795605 x 26897715 x 227591573 x 103452069 x 7865
Negative:
-1 x -16272685-5 x -3254537-11 x -1479335-13 x -1251745-55 x -295867-65 x -250349-121 x -134485-143 x -113795-605 x -26897-715 x -22759-1573 x -10345-2069 x -7865
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 16,272,685, 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 | 16,272,685 | |
| -1 | -16,272,685 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 16,272,685.
Example:
1 x 16,272,685 = 16,272,685
and
-1 x -16,272,685 = 16,272,685
Notice both answers equal 16,272,685
With that explanation out of the way, let's continue. Next, we take the number 16,272,685 and divide it by 2:
16,272,685 ÷ 2 = 8,136,342.5
If the quotient is a whole number, then 2 and 8,136,342.5 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 | 16,272,685 | |
| -1 | -16,272,685 |
Now, we try dividing 16,272,685 by 3:
16,272,685 ÷ 3 = 5,424,228.3333
If the quotient is a whole number, then 3 and 5,424,228.3333 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 | 16,272,685 | |
| -1 | -16,272,685 |
Let's try dividing by 4:
16,272,685 ÷ 4 = 4,068,171.25
If the quotient is a whole number, then 4 and 4,068,171.25 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 | 16,272,685 | |
| -1 | 16,272,685 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 13 | 55 | 65 | 121 | 143 | 605 | 715 | 1,573 | 2,069 | 7,865 | 10,345 | 22,759 | 26,897 | 113,795 | 134,485 | 250,349 | 295,867 | 1,251,745 | 1,479,335 | 3,254,537 | 16,272,685 |
| -1 | -5 | -11 | -13 | -55 | -65 | -121 | -143 | -605 | -715 | -1,573 | -2,069 | -7,865 | -10,345 | -22,759 | -26,897 | -113,795 | -134,485 | -250,349 | -295,867 | -1,251,745 | -1,479,335 | -3,254,537 | -16,272,685 |
Here are some more numbers to try:
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