A:
Positive:
1 x 321602755 x 64320557 x 459432525 x 128641129 x 110897535 x 918865145 x 221795175 x 183773203 x 158425725 x 443591015 x 316855075 x 6337
Negative:
-1 x -32160275-5 x -6432055-7 x -4594325-25 x -1286411-29 x -1108975-35 x -918865-145 x -221795-175 x -183773-203 x -158425-725 x -44359-1015 x -31685-5075 x -6337
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 32,160,275, 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 | 32,160,275 | |
| -1 | -32,160,275 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 32,160,275.
Example:
1 x 32,160,275 = 32,160,275
and
-1 x -32,160,275 = 32,160,275
Notice both answers equal 32,160,275
With that explanation out of the way, let's continue. Next, we take the number 32,160,275 and divide it by 2:
32,160,275 ÷ 2 = 16,080,137.5
If the quotient is a whole number, then 2 and 16,080,137.5 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 | 32,160,275 | |
| -1 | -32,160,275 |
Now, we try dividing 32,160,275 by 3:
32,160,275 ÷ 3 = 10,720,091.6667
If the quotient is a whole number, then 3 and 10,720,091.6667 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 | 32,160,275 | |
| -1 | -32,160,275 |
Let's try dividing by 4:
32,160,275 ÷ 4 = 8,040,068.75
If the quotient is a whole number, then 4 and 8,040,068.75 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 | 32,160,275 | |
| -1 | 32,160,275 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 25 | 29 | 35 | 145 | 175 | 203 | 725 | 1,015 | 5,075 | 6,337 | 31,685 | 44,359 | 158,425 | 183,773 | 221,795 | 918,865 | 1,108,975 | 1,286,411 | 4,594,325 | 6,432,055 | 32,160,275 |
| -1 | -5 | -7 | -25 | -29 | -35 | -145 | -175 | -203 | -725 | -1,015 | -5,075 | -6,337 | -31,685 | -44,359 | -158,425 | -183,773 | -221,795 | -918,865 | -1,108,975 | -1,286,411 | -4,594,325 | -6,432,055 | -32,160,275 |
Here are some more numbers to try:
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