A:
Positive:
1 x 316443117 x 18614319 x 16654997 x 32623101 x 31331323 x 97971649 x 19191717 x 1843
Negative:
-1 x -3164431-17 x -186143-19 x -166549-97 x -32623-101 x -31331-323 x -9797-1649 x -1919-1717 x -1843
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 3,164,431, 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 | 3,164,431 | |
| -1 | -3,164,431 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 3,164,431.
Example:
1 x 3,164,431 = 3,164,431
and
-1 x -3,164,431 = 3,164,431
Notice both answers equal 3,164,431
With that explanation out of the way, let's continue. Next, we take the number 3,164,431 and divide it by 2:
3,164,431 ÷ 2 = 1,582,215.5
If the quotient is a whole number, then 2 and 1,582,215.5 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 | 3,164,431 | |
| -1 | -3,164,431 |
Now, we try dividing 3,164,431 by 3:
3,164,431 ÷ 3 = 1,054,810.3333
If the quotient is a whole number, then 3 and 1,054,810.3333 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 | 3,164,431 | |
| -1 | -3,164,431 |
Let's try dividing by 4:
3,164,431 ÷ 4 = 791,107.75
If the quotient is a whole number, then 4 and 791,107.75 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 | 3,164,431 | |
| -1 | 3,164,431 |
If you did it right, you will end up with this table:
| 1 | 17 | 19 | 97 | 101 | 323 | 1,649 | 1,717 | 1,843 | 1,919 | 9,797 | 31,331 | 32,623 | 166,549 | 186,143 | 3,164,431 |
| -1 | -17 | -19 | -97 | -101 | -323 | -1,649 | -1,717 | -1,843 | -1,919 | -9,797 | -31,331 | -32,623 | -166,549 | -186,143 | -3,164,431 |
Here are some more numbers to try:
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