A:
Positive:
1 x 236698155 x 473396313 x 182075565 x 364151241 x 982151205 x 196431511 x 156653133 x 7555
Negative:
-1 x -23669815-5 x -4733963-13 x -1820755-65 x -364151-241 x -98215-1205 x -19643-1511 x -15665-3133 x -7555
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 23,669,815, 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 | 23,669,815 | |
| -1 | -23,669,815 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 23,669,815.
Example:
1 x 23,669,815 = 23,669,815
and
-1 x -23,669,815 = 23,669,815
Notice both answers equal 23,669,815
With that explanation out of the way, let's continue. Next, we take the number 23,669,815 and divide it by 2:
23,669,815 ÷ 2 = 11,834,907.5
If the quotient is a whole number, then 2 and 11,834,907.5 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 | 23,669,815 | |
| -1 | -23,669,815 |
Now, we try dividing 23,669,815 by 3:
23,669,815 ÷ 3 = 7,889,938.3333
If the quotient is a whole number, then 3 and 7,889,938.3333 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 | 23,669,815 | |
| -1 | -23,669,815 |
Let's try dividing by 4:
23,669,815 ÷ 4 = 5,917,453.75
If the quotient is a whole number, then 4 and 5,917,453.75 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 | 23,669,815 | |
| -1 | 23,669,815 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 65 | 241 | 1,205 | 1,511 | 3,133 | 7,555 | 15,665 | 19,643 | 98,215 | 364,151 | 1,820,755 | 4,733,963 | 23,669,815 |
| -1 | -5 | -13 | -65 | -241 | -1,205 | -1,511 | -3,133 | -7,555 | -15,665 | -19,643 | -98,215 | -364,151 | -1,820,755 | -4,733,963 | -23,669,815 |
Here are some more numbers to try:
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