A:
Positive:
1 x 131621355 x 26324277 x 188030531 x 42458535 x 37606149 x 268615155 x 84917217 x 60655245 x 537231085 x 121311519 x 86651733 x 7595
Negative:
-1 x -13162135-5 x -2632427-7 x -1880305-31 x -424585-35 x -376061-49 x -268615-155 x -84917-217 x -60655-245 x -53723-1085 x -12131-1519 x -8665-1733 x -7595
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 13,162,135, 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 | 13,162,135 | |
| -1 | -13,162,135 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 13,162,135.
Example:
1 x 13,162,135 = 13,162,135
and
-1 x -13,162,135 = 13,162,135
Notice both answers equal 13,162,135
With that explanation out of the way, let's continue. Next, we take the number 13,162,135 and divide it by 2:
13,162,135 ÷ 2 = 6,581,067.5
If the quotient is a whole number, then 2 and 6,581,067.5 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 | 13,162,135 | |
| -1 | -13,162,135 |
Now, we try dividing 13,162,135 by 3:
13,162,135 ÷ 3 = 4,387,378.3333
If the quotient is a whole number, then 3 and 4,387,378.3333 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 | 13,162,135 | |
| -1 | -13,162,135 |
Let's try dividing by 4:
13,162,135 ÷ 4 = 3,290,533.75
If the quotient is a whole number, then 4 and 3,290,533.75 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 | 13,162,135 | |
| -1 | 13,162,135 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 31 | 35 | 49 | 155 | 217 | 245 | 1,085 | 1,519 | 1,733 | 7,595 | 8,665 | 12,131 | 53,723 | 60,655 | 84,917 | 268,615 | 376,061 | 424,585 | 1,880,305 | 2,632,427 | 13,162,135 |
| -1 | -5 | -7 | -31 | -35 | -49 | -155 | -217 | -245 | -1,085 | -1,519 | -1,733 | -7,595 | -8,665 | -12,131 | -53,723 | -60,655 | -84,917 | -268,615 | -376,061 | -424,585 | -1,880,305 | -2,632,427 | -13,162,135 |
Here are some more numbers to try:
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