A:
Positive:
1 x 651110055 x 1302220119 x 342689531 x 210035595 x 685379155 x 420071589 x 1105452945 x 22109
Negative:
-1 x -65111005-5 x -13022201-19 x -3426895-31 x -2100355-95 x -685379-155 x -420071-589 x -110545-2945 x -22109
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 65,111,005, 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 | 65,111,005 | |
| -1 | -65,111,005 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 65,111,005.
Example:
1 x 65,111,005 = 65,111,005
and
-1 x -65,111,005 = 65,111,005
Notice both answers equal 65,111,005
With that explanation out of the way, let's continue. Next, we take the number 65,111,005 and divide it by 2:
65,111,005 ÷ 2 = 32,555,502.5
If the quotient is a whole number, then 2 and 32,555,502.5 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 | 65,111,005 | |
| -1 | -65,111,005 |
Now, we try dividing 65,111,005 by 3:
65,111,005 ÷ 3 = 21,703,668.3333
If the quotient is a whole number, then 3 and 21,703,668.3333 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 | 65,111,005 | |
| -1 | -65,111,005 |
Let's try dividing by 4:
65,111,005 ÷ 4 = 16,277,751.25
If the quotient is a whole number, then 4 and 16,277,751.25 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 | 65,111,005 | |
| -1 | 65,111,005 |
If you did it right, you will end up with this table:
| 1 | 5 | 19 | 31 | 95 | 155 | 589 | 2,945 | 22,109 | 110,545 | 420,071 | 685,379 | 2,100,355 | 3,426,895 | 13,022,201 | 65,111,005 |
| -1 | -5 | -19 | -31 | -95 | -155 | -589 | -2,945 | -22,109 | -110,545 | -420,071 | -685,379 | -2,100,355 | -3,426,895 | -13,022,201 | -65,111,005 |
Here are some more numbers to try:
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