A:
Positive:
1 x 202242855 x 404485767 x 30185573 x 277045335 x 60371365 x 55409827 x 244554135 x 4891
Negative:
-1 x -20224285-5 x -4044857-67 x -301855-73 x -277045-335 x -60371-365 x -55409-827 x -24455-4135 x -4891
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 20,224,285, 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 | 20,224,285 | |
| -1 | -20,224,285 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 20,224,285.
Example:
1 x 20,224,285 = 20,224,285
and
-1 x -20,224,285 = 20,224,285
Notice both answers equal 20,224,285
With that explanation out of the way, let's continue. Next, we take the number 20,224,285 and divide it by 2:
20,224,285 ÷ 2 = 10,112,142.5
If the quotient is a whole number, then 2 and 10,112,142.5 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 | 20,224,285 | |
| -1 | -20,224,285 |
Now, we try dividing 20,224,285 by 3:
20,224,285 ÷ 3 = 6,741,428.3333
If the quotient is a whole number, then 3 and 6,741,428.3333 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 | 20,224,285 | |
| -1 | -20,224,285 |
Let's try dividing by 4:
20,224,285 ÷ 4 = 5,056,071.25
If the quotient is a whole number, then 4 and 5,056,071.25 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 | 20,224,285 | |
| -1 | 20,224,285 |
If you did it right, you will end up with this table:
| 1 | 5 | 67 | 73 | 335 | 365 | 827 | 4,135 | 4,891 | 24,455 | 55,409 | 60,371 | 277,045 | 301,855 | 4,044,857 | 20,224,285 |
| -1 | -5 | -67 | -73 | -335 | -365 | -827 | -4,135 | -4,891 | -24,455 | -55,409 | -60,371 | -277,045 | -301,855 | -4,044,857 | -20,224,285 |
Here are some more numbers to try:
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