A:
Positive:
1 x 30188277 x 43126153 x 5695979 x 38213103 x 29309371 x 8137553 x 5459721 x 4187
Negative:
-1 x -3018827-7 x -431261-53 x -56959-79 x -38213-103 x -29309-371 x -8137-553 x -5459-721 x -4187
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 3,018,827, 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 | 3,018,827 | |
| -1 | -3,018,827 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 3,018,827.
Example:
1 x 3,018,827 = 3,018,827
and
-1 x -3,018,827 = 3,018,827
Notice both answers equal 3,018,827
With that explanation out of the way, let's continue. Next, we take the number 3,018,827 and divide it by 2:
3,018,827 ÷ 2 = 1,509,413.5
If the quotient is a whole number, then 2 and 1,509,413.5 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 | 3,018,827 | |
| -1 | -3,018,827 |
Now, we try dividing 3,018,827 by 3:
3,018,827 ÷ 3 = 1,006,275.6667
If the quotient is a whole number, then 3 and 1,006,275.6667 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 | 3,018,827 | |
| -1 | -3,018,827 |
Let's try dividing by 4:
3,018,827 ÷ 4 = 754,706.75
If the quotient is a whole number, then 4 and 754,706.75 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 | 3,018,827 | |
| -1 | 3,018,827 |
If you did it right, you will end up with this table:
| 1 | 7 | 53 | 79 | 103 | 371 | 553 | 721 | 4,187 | 5,459 | 8,137 | 29,309 | 38,213 | 56,959 | 431,261 | 3,018,827 |
| -1 | -7 | -53 | -79 | -103 | -371 | -553 | -721 | -4,187 | -5,459 | -8,137 | -29,309 | -38,213 | -56,959 | -431,261 | -3,018,827 |
Here are some more numbers to try:
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