A:
Positive:
1 x 407828311 x 37075317 x 239899113 x 36091187 x 21809193 x 211311243 x 32811921 x 2123
Negative:
-1 x -4078283-11 x -370753-17 x -239899-113 x -36091-187 x -21809-193 x -21131-1243 x -3281-1921 x -2123
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 4,078,283, 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 | 4,078,283 | |
| -1 | -4,078,283 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 4,078,283.
Example:
1 x 4,078,283 = 4,078,283
and
-1 x -4,078,283 = 4,078,283
Notice both answers equal 4,078,283
With that explanation out of the way, let's continue. Next, we take the number 4,078,283 and divide it by 2:
4,078,283 ÷ 2 = 2,039,141.5
If the quotient is a whole number, then 2 and 2,039,141.5 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 | 4,078,283 | |
| -1 | -4,078,283 |
Now, we try dividing 4,078,283 by 3:
4,078,283 ÷ 3 = 1,359,427.6667
If the quotient is a whole number, then 3 and 1,359,427.6667 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 | 4,078,283 | |
| -1 | -4,078,283 |
Let's try dividing by 4:
4,078,283 ÷ 4 = 1,019,570.75
If the quotient is a whole number, then 4 and 1,019,570.75 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 | 4,078,283 | |
| -1 | 4,078,283 |
If you did it right, you will end up with this table:
| 1 | 11 | 17 | 113 | 187 | 193 | 1,243 | 1,921 | 2,123 | 3,281 | 21,131 | 21,809 | 36,091 | 239,899 | 370,753 | 4,078,283 |
| -1 | -11 | -17 | -113 | -187 | -193 | -1,243 | -1,921 | -2,123 | -3,281 | -21,131 | -21,809 | -36,091 | -239,899 | -370,753 | -4,078,283 |
Here are some more numbers to try:
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