A:
Positive:
1 x 236174055 x 47234817 x 337391535 x 67478359 x 400295295 x 80059413 x 571852065 x 11437
Negative:
-1 x -23617405-5 x -4723481-7 x -3373915-35 x -674783-59 x -400295-295 x -80059-413 x -57185-2065 x -11437
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 23,617,405, 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 | 23,617,405 | |
| -1 | -23,617,405 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 23,617,405.
Example:
1 x 23,617,405 = 23,617,405
and
-1 x -23,617,405 = 23,617,405
Notice both answers equal 23,617,405
With that explanation out of the way, let's continue. Next, we take the number 23,617,405 and divide it by 2:
23,617,405 ÷ 2 = 11,808,702.5
If the quotient is a whole number, then 2 and 11,808,702.5 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 | 23,617,405 | |
| -1 | -23,617,405 |
Now, we try dividing 23,617,405 by 3:
23,617,405 ÷ 3 = 7,872,468.3333
If the quotient is a whole number, then 3 and 7,872,468.3333 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 | 23,617,405 | |
| -1 | -23,617,405 |
Let's try dividing by 4:
23,617,405 ÷ 4 = 5,904,351.25
If the quotient is a whole number, then 4 and 5,904,351.25 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 | 23,617,405 | |
| -1 | 23,617,405 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 35 | 59 | 295 | 413 | 2,065 | 11,437 | 57,185 | 80,059 | 400,295 | 674,783 | 3,373,915 | 4,723,481 | 23,617,405 |
| -1 | -5 | -7 | -35 | -59 | -295 | -413 | -2,065 | -11,437 | -57,185 | -80,059 | -400,295 | -674,783 | -3,373,915 | -4,723,481 | -23,617,405 |
Here are some more numbers to try:
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