A:
Positive:
1 x 651111055 x 1302222117 x 383006585 x 766013107 x 608515535 x 1217031819 x 357957159 x 9095
Negative:
-1 x -65111105-5 x -13022221-17 x -3830065-85 x -766013-107 x -608515-535 x -121703-1819 x -35795-7159 x -9095
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 65,111,105, 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 | 65,111,105 | |
| -1 | -65,111,105 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 65,111,105.
Example:
1 x 65,111,105 = 65,111,105
and
-1 x -65,111,105 = 65,111,105
Notice both answers equal 65,111,105
With that explanation out of the way, let's continue. Next, we take the number 65,111,105 and divide it by 2:
65,111,105 ÷ 2 = 32,555,552.5
If the quotient is a whole number, then 2 and 32,555,552.5 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 | 65,111,105 | |
| -1 | -65,111,105 |
Now, we try dividing 65,111,105 by 3:
65,111,105 ÷ 3 = 21,703,701.6667
If the quotient is a whole number, then 3 and 21,703,701.6667 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 | 65,111,105 | |
| -1 | -65,111,105 |
Let's try dividing by 4:
65,111,105 ÷ 4 = 16,277,776.25
If the quotient is a whole number, then 4 and 16,277,776.25 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 | 65,111,105 | |
| -1 | 65,111,105 |
If you did it right, you will end up with this table:
| 1 | 5 | 17 | 85 | 107 | 535 | 1,819 | 7,159 | 9,095 | 35,795 | 121,703 | 608,515 | 766,013 | 3,830,065 | 13,022,221 | 65,111,105 |
| -1 | -5 | -17 | -85 | -107 | -535 | -1,819 | -7,159 | -9,095 | -35,795 | -121,703 | -608,515 | -766,013 | -3,830,065 | -13,022,221 | -65,111,105 |
Here are some more numbers to try:
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