A:
Positive:
1 x 2488827119 x 130990941 x 60703143 x 578797743 x 33497779 x 31949817 x 304631763 x 14117
Negative:
-1 x -24888271-19 x -1309909-41 x -607031-43 x -578797-743 x -33497-779 x -31949-817 x -30463-1763 x -14117
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 24,888,271, 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 | 24,888,271 | |
| -1 | -24,888,271 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 24,888,271.
Example:
1 x 24,888,271 = 24,888,271
and
-1 x -24,888,271 = 24,888,271
Notice both answers equal 24,888,271
With that explanation out of the way, let's continue. Next, we take the number 24,888,271 and divide it by 2:
24,888,271 ÷ 2 = 12,444,135.5
If the quotient is a whole number, then 2 and 12,444,135.5 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 | 24,888,271 | |
| -1 | -24,888,271 |
Now, we try dividing 24,888,271 by 3:
24,888,271 ÷ 3 = 8,296,090.3333
If the quotient is a whole number, then 3 and 8,296,090.3333 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 | 24,888,271 | |
| -1 | -24,888,271 |
Let's try dividing by 4:
24,888,271 ÷ 4 = 6,222,067.75
If the quotient is a whole number, then 4 and 6,222,067.75 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 | 24,888,271 | |
| -1 | 24,888,271 |
If you did it right, you will end up with this table:
| 1 | 19 | 41 | 43 | 743 | 779 | 817 | 1,763 | 14,117 | 30,463 | 31,949 | 33,497 | 578,797 | 607,031 | 1,309,909 | 24,888,271 |
| -1 | -19 | -41 | -43 | -743 | -779 | -817 | -1,763 | -14,117 | -30,463 | -31,949 | -33,497 | -578,797 | -607,031 | -1,309,909 | -24,888,271 |
Here are some more numbers to try:
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