A:
Positive:
1 x 6563161117 x 386068329 x 226315941 x 1600771191 x 343621289 x 227099493 x 133127697 x 941631189 x 551993247 x 202135539 x 118497831 x 8381
Negative:
-1 x -65631611-17 x -3860683-29 x -2263159-41 x -1600771-191 x -343621-289 x -227099-493 x -133127-697 x -94163-1189 x -55199-3247 x -20213-5539 x -11849-7831 x -8381
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 65,631,611, 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 | 65,631,611 | |
| -1 | -65,631,611 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 65,631,611.
Example:
1 x 65,631,611 = 65,631,611
and
-1 x -65,631,611 = 65,631,611
Notice both answers equal 65,631,611
With that explanation out of the way, let's continue. Next, we take the number 65,631,611 and divide it by 2:
65,631,611 ÷ 2 = 32,815,805.5
If the quotient is a whole number, then 2 and 32,815,805.5 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 | 65,631,611 | |
| -1 | -65,631,611 |
Now, we try dividing 65,631,611 by 3:
65,631,611 ÷ 3 = 21,877,203.6667
If the quotient is a whole number, then 3 and 21,877,203.6667 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 | 65,631,611 | |
| -1 | -65,631,611 |
Let's try dividing by 4:
65,631,611 ÷ 4 = 16,407,902.75
If the quotient is a whole number, then 4 and 16,407,902.75 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 | 65,631,611 | |
| -1 | 65,631,611 |
If you did it right, you will end up with this table:
| 1 | 17 | 29 | 41 | 191 | 289 | 493 | 697 | 1,189 | 3,247 | 5,539 | 7,831 | 8,381 | 11,849 | 20,213 | 55,199 | 94,163 | 133,127 | 227,099 | 343,621 | 1,600,771 | 2,263,159 | 3,860,683 | 65,631,611 |
| -1 | -17 | -29 | -41 | -191 | -289 | -493 | -697 | -1,189 | -3,247 | -5,539 | -7,831 | -8,381 | -11,849 | -20,213 | -55,199 | -94,163 | -133,127 | -227,099 | -343,621 | -1,600,771 | -2,263,159 | -3,860,683 | -65,631,611 |
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