A:
Positive:
1 x 242070017 x 345814313 x 186207731 x 78087191 x 266011217 x 111553403 x 600672821 x 8581
Negative:
-1 x -24207001-7 x -3458143-13 x -1862077-31 x -780871-91 x -266011-217 x -111553-403 x -60067-2821 x -8581
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 24,207,001, 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 | 24,207,001 | |
| -1 | -24,207,001 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 24,207,001.
Example:
1 x 24,207,001 = 24,207,001
and
-1 x -24,207,001 = 24,207,001
Notice both answers equal 24,207,001
With that explanation out of the way, let's continue. Next, we take the number 24,207,001 and divide it by 2:
24,207,001 ÷ 2 = 12,103,500.5
If the quotient is a whole number, then 2 and 12,103,500.5 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 | 24,207,001 | |
| -1 | -24,207,001 |
Now, we try dividing 24,207,001 by 3:
24,207,001 ÷ 3 = 8,069,000.3333
If the quotient is a whole number, then 3 and 8,069,000.3333 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 | 24,207,001 | |
| -1 | -24,207,001 |
Let's try dividing by 4:
24,207,001 ÷ 4 = 6,051,750.25
If the quotient is a whole number, then 4 and 6,051,750.25 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 | 24,207,001 | |
| -1 | 24,207,001 |
If you did it right, you will end up with this table:
| 1 | 7 | 13 | 31 | 91 | 217 | 403 | 2,821 | 8,581 | 60,067 | 111,553 | 266,011 | 780,871 | 1,862,077 | 3,458,143 | 24,207,001 |
| -1 | -7 | -13 | -31 | -91 | -217 | -403 | -2,821 | -8,581 | -60,067 | -111,553 | -266,011 | -780,871 | -1,862,077 | -3,458,143 | -24,207,001 |
Here are some more numbers to try:
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