A:
Positive:
1 x 244051155 x 48810237 x 348644517 x 143559535 x 69728985 x 287119119 x 205085595 x 41017
Negative:
-1 x -24405115-5 x -4881023-7 x -3486445-17 x -1435595-35 x -697289-85 x -287119-119 x -205085-595 x -41017
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 24,405,115, 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 | 24,405,115 | |
| -1 | -24,405,115 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 24,405,115.
Example:
1 x 24,405,115 = 24,405,115
and
-1 x -24,405,115 = 24,405,115
Notice both answers equal 24,405,115
With that explanation out of the way, let's continue. Next, we take the number 24,405,115 and divide it by 2:
24,405,115 ÷ 2 = 12,202,557.5
If the quotient is a whole number, then 2 and 12,202,557.5 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 | 24,405,115 | |
| -1 | -24,405,115 |
Now, we try dividing 24,405,115 by 3:
24,405,115 ÷ 3 = 8,135,038.3333
If the quotient is a whole number, then 3 and 8,135,038.3333 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 | 24,405,115 | |
| -1 | -24,405,115 |
Let's try dividing by 4:
24,405,115 ÷ 4 = 6,101,278.75
If the quotient is a whole number, then 4 and 6,101,278.75 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 | 24,405,115 | |
| -1 | 24,405,115 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 17 | 35 | 85 | 119 | 595 | 41,017 | 205,085 | 287,119 | 697,289 | 1,435,595 | 3,486,445 | 4,881,023 | 24,405,115 |
| -1 | -5 | -7 | -17 | -35 | -85 | -119 | -595 | -41,017 | -205,085 | -287,119 | -697,289 | -1,435,595 | -3,486,445 | -4,881,023 | -24,405,115 |
Here are some more numbers to try:
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