A:
Positive:
1 x 223513855 x 44702777 x 319305535 x 638611701 x 31885911 x 245353505 x 63774555 x 4907
Negative:
-1 x -22351385-5 x -4470277-7 x -3193055-35 x -638611-701 x -31885-911 x -24535-3505 x -6377-4555 x -4907
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 22,351,385, 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 | 22,351,385 | |
| -1 | -22,351,385 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 22,351,385.
Example:
1 x 22,351,385 = 22,351,385
and
-1 x -22,351,385 = 22,351,385
Notice both answers equal 22,351,385
With that explanation out of the way, let's continue. Next, we take the number 22,351,385 and divide it by 2:
22,351,385 ÷ 2 = 11,175,692.5
If the quotient is a whole number, then 2 and 11,175,692.5 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 | 22,351,385 | |
| -1 | -22,351,385 |
Now, we try dividing 22,351,385 by 3:
22,351,385 ÷ 3 = 7,450,461.6667
If the quotient is a whole number, then 3 and 7,450,461.6667 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 | 22,351,385 | |
| -1 | -22,351,385 |
Let's try dividing by 4:
22,351,385 ÷ 4 = 5,587,846.25
If the quotient is a whole number, then 4 and 5,587,846.25 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 | 22,351,385 | |
| -1 | 22,351,385 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 35 | 701 | 911 | 3,505 | 4,555 | 4,907 | 6,377 | 24,535 | 31,885 | 638,611 | 3,193,055 | 4,470,277 | 22,351,385 |
| -1 | -5 | -7 | -35 | -701 | -911 | -3,505 | -4,555 | -4,907 | -6,377 | -24,535 | -31,885 | -638,611 | -3,193,055 | -4,470,277 | -22,351,385 |
Here are some more numbers to try:
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