A:
Positive:
1 x 43879997 x 62685711 x 39890949 x 8955177 x 56987343 x 12793539 x 81411163 x 3773
Negative:
-1 x -4387999-7 x -626857-11 x -398909-49 x -89551-77 x -56987-343 x -12793-539 x -8141-1163 x -3773
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 4,387,999, 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 | 4,387,999 | |
| -1 | -4,387,999 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 4,387,999.
Example:
1 x 4,387,999 = 4,387,999
and
-1 x -4,387,999 = 4,387,999
Notice both answers equal 4,387,999
With that explanation out of the way, let's continue. Next, we take the number 4,387,999 and divide it by 2:
4,387,999 ÷ 2 = 2,193,999.5
If the quotient is a whole number, then 2 and 2,193,999.5 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 | 4,387,999 | |
| -1 | -4,387,999 |
Now, we try dividing 4,387,999 by 3:
4,387,999 ÷ 3 = 1,462,666.3333
If the quotient is a whole number, then 3 and 1,462,666.3333 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 | 4,387,999 | |
| -1 | -4,387,999 |
Let's try dividing by 4:
4,387,999 ÷ 4 = 1,096,999.75
If the quotient is a whole number, then 4 and 1,096,999.75 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 | 4,387,999 | |
| -1 | 4,387,999 |
If you did it right, you will end up with this table:
| 1 | 7 | 11 | 49 | 77 | 343 | 539 | 1,163 | 3,773 | 8,141 | 12,793 | 56,987 | 89,551 | 398,909 | 626,857 | 4,387,999 |
| -1 | -7 | -11 | -49 | -77 | -343 | -539 | -1,163 | -3,773 | -8,141 | -12,793 | -56,987 | -89,551 | -398,909 | -626,857 | -4,387,999 |
Here are some more numbers to try:
Try the factor calculator