A:
Positive:
1 x 160165255 x 32033057 x 228807519 x 84297525 x 64066135 x 45761595 x 168595133 x 120425175 x 91523475 x 33719665 x 240853325 x 4817
Negative:
-1 x -16016525-5 x -3203305-7 x -2288075-19 x -842975-25 x -640661-35 x -457615-95 x -168595-133 x -120425-175 x -91523-475 x -33719-665 x -24085-3325 x -4817
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 16,016,525, 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 | 16,016,525 | |
| -1 | -16,016,525 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 16,016,525.
Example:
1 x 16,016,525 = 16,016,525
and
-1 x -16,016,525 = 16,016,525
Notice both answers equal 16,016,525
With that explanation out of the way, let's continue. Next, we take the number 16,016,525 and divide it by 2:
16,016,525 ÷ 2 = 8,008,262.5
If the quotient is a whole number, then 2 and 8,008,262.5 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 | 16,016,525 | |
| -1 | -16,016,525 |
Now, we try dividing 16,016,525 by 3:
16,016,525 ÷ 3 = 5,338,841.6667
If the quotient is a whole number, then 3 and 5,338,841.6667 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 | 16,016,525 | |
| -1 | -16,016,525 |
Let's try dividing by 4:
16,016,525 ÷ 4 = 4,004,131.25
If the quotient is a whole number, then 4 and 4,004,131.25 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 | 16,016,525 | |
| -1 | 16,016,525 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 19 | 25 | 35 | 95 | 133 | 175 | 475 | 665 | 3,325 | 4,817 | 24,085 | 33,719 | 91,523 | 120,425 | 168,595 | 457,615 | 640,661 | 842,975 | 2,288,075 | 3,203,305 | 16,016,525 |
| -1 | -5 | -7 | -19 | -25 | -35 | -95 | -133 | -175 | -475 | -665 | -3,325 | -4,817 | -24,085 | -33,719 | -91,523 | -120,425 | -168,595 | -457,615 | -640,661 | -842,975 | -2,288,075 | -3,203,305 | -16,016,525 |
Here are some more numbers to try:
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