A:
Positive:
1 x 32118177 x 45883119 x 16904331 x 10360741 x 78337133 x 24149217 x 14801287 x 11191361 x 8897589 x 5453779 x 41231271 x 2527
Negative:
-1 x -3211817-7 x -458831-19 x -169043-31 x -103607-41 x -78337-133 x -24149-217 x -14801-287 x -11191-361 x -8897-589 x -5453-779 x -4123-1271 x -2527
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 3,211,817, 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 | 3,211,817 | |
| -1 | -3,211,817 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 3,211,817.
Example:
1 x 3,211,817 = 3,211,817
and
-1 x -3,211,817 = 3,211,817
Notice both answers equal 3,211,817
With that explanation out of the way, let's continue. Next, we take the number 3,211,817 and divide it by 2:
3,211,817 ÷ 2 = 1,605,908.5
If the quotient is a whole number, then 2 and 1,605,908.5 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 | 3,211,817 | |
| -1 | -3,211,817 |
Now, we try dividing 3,211,817 by 3:
3,211,817 ÷ 3 = 1,070,605.6667
If the quotient is a whole number, then 3 and 1,070,605.6667 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 | 3,211,817 | |
| -1 | -3,211,817 |
Let's try dividing by 4:
3,211,817 ÷ 4 = 802,954.25
If the quotient is a whole number, then 4 and 802,954.25 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 | 3,211,817 | |
| -1 | 3,211,817 |
If you did it right, you will end up with this table:
| 1 | 7 | 19 | 31 | 41 | 133 | 217 | 287 | 361 | 589 | 779 | 1,271 | 2,527 | 4,123 | 5,453 | 8,897 | 11,191 | 14,801 | 24,149 | 78,337 | 103,607 | 169,043 | 458,831 | 3,211,817 |
| -1 | -7 | -19 | -31 | -41 | -133 | -217 | -287 | -361 | -589 | -779 | -1,271 | -2,527 | -4,123 | -5,453 | -8,897 | -11,191 | -14,801 | -24,149 | -78,337 | -103,607 | -169,043 | -458,831 | -3,211,817 |
Here are some more numbers to try:
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