A:
Positive:
1 x 132502555 x 265005137 x 35811567 x 197765185 x 71623335 x 395531069 x 123952479 x 5345
Negative:
-1 x -13250255-5 x -2650051-37 x -358115-67 x -197765-185 x -71623-335 x -39553-1069 x -12395-2479 x -5345
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 13,250,255, 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 | 13,250,255 | |
| -1 | -13,250,255 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 13,250,255.
Example:
1 x 13,250,255 = 13,250,255
and
-1 x -13,250,255 = 13,250,255
Notice both answers equal 13,250,255
With that explanation out of the way, let's continue. Next, we take the number 13,250,255 and divide it by 2:
13,250,255 ÷ 2 = 6,625,127.5
If the quotient is a whole number, then 2 and 6,625,127.5 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 | 13,250,255 | |
| -1 | -13,250,255 |
Now, we try dividing 13,250,255 by 3:
13,250,255 ÷ 3 = 4,416,751.6667
If the quotient is a whole number, then 3 and 4,416,751.6667 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 | 13,250,255 | |
| -1 | -13,250,255 |
Let's try dividing by 4:
13,250,255 ÷ 4 = 3,312,563.75
If the quotient is a whole number, then 4 and 3,312,563.75 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 | 13,250,255 | |
| -1 | 13,250,255 |
If you did it right, you will end up with this table:
| 1 | 5 | 37 | 67 | 185 | 335 | 1,069 | 2,479 | 5,345 | 12,395 | 39,553 | 71,623 | 197,765 | 358,115 | 2,650,051 | 13,250,255 |
| -1 | -5 | -37 | -67 | -185 | -335 | -1,069 | -2,479 | -5,345 | -12,395 | -39,553 | -71,623 | -197,765 | -358,115 | -2,650,051 | -13,250,255 |
Here are some more numbers to try:
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