A:
Positive:
1 x 82486155 x 164972329 x 284435145 x 56887163 x 50605349 x 23635815 x 101211745 x 4727
Negative:
-1 x -8248615-5 x -1649723-29 x -284435-145 x -56887-163 x -50605-349 x -23635-815 x -10121-1745 x -4727
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 8,248,615, 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 | 8,248,615 | |
| -1 | -8,248,615 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 8,248,615.
Example:
1 x 8,248,615 = 8,248,615
and
-1 x -8,248,615 = 8,248,615
Notice both answers equal 8,248,615
With that explanation out of the way, let's continue. Next, we take the number 8,248,615 and divide it by 2:
8,248,615 ÷ 2 = 4,124,307.5
If the quotient is a whole number, then 2 and 4,124,307.5 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 | 8,248,615 | |
| -1 | -8,248,615 |
Now, we try dividing 8,248,615 by 3:
8,248,615 ÷ 3 = 2,749,538.3333
If the quotient is a whole number, then 3 and 2,749,538.3333 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 | 8,248,615 | |
| -1 | -8,248,615 |
Let's try dividing by 4:
8,248,615 ÷ 4 = 2,062,153.75
If the quotient is a whole number, then 4 and 2,062,153.75 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 | 8,248,615 | |
| -1 | 8,248,615 |
If you did it right, you will end up with this table:
| 1 | 5 | 29 | 145 | 163 | 349 | 815 | 1,745 | 4,727 | 10,121 | 23,635 | 50,605 | 56,887 | 284,435 | 1,649,723 | 8,248,615 |
| -1 | -5 | -29 | -145 | -163 | -349 | -815 | -1,745 | -4,727 | -10,121 | -23,635 | -50,605 | -56,887 | -284,435 | -1,649,723 | -8,248,615 |
Here are some more numbers to try:
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