A:
Positive:
1 x 24001677 x 34288111 x 21819749 x 4898361 x 3934773 x 3287977 x 31171427 x 5621511 x 4697539 x 4453671 x 3577803 x 2989
Negative:
-1 x -2400167-7 x -342881-11 x -218197-49 x -48983-61 x -39347-73 x -32879-77 x -31171-427 x -5621-511 x -4697-539 x -4453-671 x -3577-803 x -2989
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 2,400,167, 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 | 2,400,167 | |
| -1 | -2,400,167 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 2,400,167.
Example:
1 x 2,400,167 = 2,400,167
and
-1 x -2,400,167 = 2,400,167
Notice both answers equal 2,400,167
With that explanation out of the way, let's continue. Next, we take the number 2,400,167 and divide it by 2:
2,400,167 ÷ 2 = 1,200,083.5
If the quotient is a whole number, then 2 and 1,200,083.5 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 | 2,400,167 | |
| -1 | -2,400,167 |
Now, we try dividing 2,400,167 by 3:
2,400,167 ÷ 3 = 800,055.6667
If the quotient is a whole number, then 3 and 800,055.6667 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 | 2,400,167 | |
| -1 | -2,400,167 |
Let's try dividing by 4:
2,400,167 ÷ 4 = 600,041.75
If the quotient is a whole number, then 4 and 600,041.75 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 | 2,400,167 | |
| -1 | 2,400,167 |
If you did it right, you will end up with this table:
| 1 | 7 | 11 | 49 | 61 | 73 | 77 | 427 | 511 | 539 | 671 | 803 | 2,989 | 3,577 | 4,453 | 4,697 | 5,621 | 31,171 | 32,879 | 39,347 | 48,983 | 218,197 | 342,881 | 2,400,167 |
| -1 | -7 | -11 | -49 | -61 | -73 | -77 | -427 | -511 | -539 | -671 | -803 | -2,989 | -3,577 | -4,453 | -4,697 | -5,621 | -31,171 | -32,879 | -39,347 | -48,983 | -218,197 | -342,881 | -2,400,167 |
Here are some more numbers to try:
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