A:
Positive:
1 x 145405155 x 290810311 x 132186555 x 264373463 x 31405571 x 254652315 x 62812855 x 5093
Negative:
-1 x -14540515-5 x -2908103-11 x -1321865-55 x -264373-463 x -31405-571 x -25465-2315 x -6281-2855 x -5093
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 14,540,515, 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 | 14,540,515 | |
| -1 | -14,540,515 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 14,540,515.
Example:
1 x 14,540,515 = 14,540,515
and
-1 x -14,540,515 = 14,540,515
Notice both answers equal 14,540,515
With that explanation out of the way, let's continue. Next, we take the number 14,540,515 and divide it by 2:
14,540,515 ÷ 2 = 7,270,257.5
If the quotient is a whole number, then 2 and 7,270,257.5 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 | 14,540,515 | |
| -1 | -14,540,515 |
Now, we try dividing 14,540,515 by 3:
14,540,515 ÷ 3 = 4,846,838.3333
If the quotient is a whole number, then 3 and 4,846,838.3333 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 | 14,540,515 | |
| -1 | -14,540,515 |
Let's try dividing by 4:
14,540,515 ÷ 4 = 3,635,128.75
If the quotient is a whole number, then 4 and 3,635,128.75 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 | 14,540,515 | |
| -1 | 14,540,515 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 55 | 463 | 571 | 2,315 | 2,855 | 5,093 | 6,281 | 25,465 | 31,405 | 264,373 | 1,321,865 | 2,908,103 | 14,540,515 |
| -1 | -5 | -11 | -55 | -463 | -571 | -2,315 | -2,855 | -5,093 | -6,281 | -25,465 | -31,405 | -264,373 | -1,321,865 | -2,908,103 | -14,540,515 |
Here are some more numbers to try:
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